Home / 15,242,309.20-21,034,416.76-9,048,598.24

Finding the Fourth Proportional to 15,242,309.20, 21,034,416.76 and 9,048,598.24

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Solution

The fourth proportional to 15,242,309.20, 21,034,416.76 and 9,048,598.24 is: 12,487,083.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,242,309.20 : 21,034,416.76 = 9,048,598.24 : x
  2. Step 2: Convert to fraction form
    15,242,309.20/21,034,416.76 = 9,048,598.24/x
  3. Step 3: Cross multiply
    15,242,309.20x = 21,034,416.76 × 9,048,598.24
  4. Step 4: Simplify right side
    15,242,309.20x = 190,331,986,473,962.53
  5. Step 5: Solve for x
    x = 190,331,986,473,962.53/15,242,309.20
  6. Step 6: Final answer
    x = 12,487,083.42

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Double scale
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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.