Home / 15,414,516.29-21,272,049.13-8,350,126.12

Finding the Fourth Proportional to 15,414,516.29, 21,272,049.13 and 8,350,126.12

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Solution

The fourth proportional to 15,414,516.29, 21,272,049.13 and 8,350,126.12 is: 11,523,183.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,414,516.29 : 21,272,049.13 = 8,350,126.12 : x
  2. Step 2: Convert to fraction form
    15,414,516.29/21,272,049.13 = 8,350,126.12/x
  3. Step 3: Cross multiply
    15,414,516.29x = 21,272,049.13 × 8,350,126.12
  4. Step 4: Simplify right side
    15,414,516.29x = 177,624,293,066,336.28
  5. Step 5: Solve for x
    x = 177,624,293,066,336.28/15,414,516.29
  6. Step 6: Final answer
    x = 11,523,183.06

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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.