Home / 14,687,521,581.15-20,268,848,421.38-8,344,237,487.20

Finding the Fourth Proportional to 14,687,521,581.15, 20,268,848,421.38 and 8,344,237,487.20

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Solution

The fourth proportional to 14,687,521,581.15, 20,268,848,421.38 and 8,344,237,487.20 is: 11,515,086,727.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,687,521,581.15 : 20,268,848,421.38 = 8,344,237,487.20 : x
  2. Step 2: Convert to fraction form
    14,687,521,581.15/20,268,848,421.38 = 8,344,237,487.20/x
  3. Step 3: Cross multiply
    14,687,521,581.15x = 20,268,848,421.38 × 8,344,237,487.20
  4. Step 4: Simplify right side
    14,687,521,581.15x = 169,128,084,820,053,557,248
  5. Step 5: Solve for x
    x = 169,128,084,820,053,557,248/14,687,521,581.15
  6. Step 6: Final answer
    x = 11,515,086,727.57

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Half scale
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Double scale
Find fourth proportional to 14,687,521,582.15, 20,268,848,422.76 and 8,344,237,488.20
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.