Home / 26,298,002.20-39,447,003.30-19,920,710.20

Finding the Fourth Proportional to 26,298,002.20, 39,447,003.30 and 19,920,710.20

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Solution

The fourth proportional to 26,298,002.20, 39,447,003.30 and 19,920,710.20 is: 29,881,065.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,298,002.20 : 39,447,003.30 = 19,920,710.20 : x
  2. Step 2: Convert to fraction form
    26,298,002.20/39,447,003.30 = 19,920,710.20/x
  3. Step 3: Cross multiply
    26,298,002.20x = 39,447,003.30 × 19,920,710.20
  4. Step 4: Simplify right side
    26,298,002.20x = 785,812,320,997,743.62
  5. Step 5: Solve for x
    x = 785,812,320,997,743.62/26,298,002.20
  6. Step 6: Final answer
    x = 29,881,065.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.