Home / 27,981,820.13-38,613,892.32-15,591,273.35

Finding the Fourth Proportional to 27,981,820.13, 38,613,892.32 and 15,591,273.35

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Solution

The fourth proportional to 27,981,820.13, 38,613,892.32 and 15,591,273.35 is: 21,515,389.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,981,820.13 : 38,613,892.32 = 15,591,273.35 : x
  2. Step 2: Convert to fraction form
    27,981,820.13/38,613,892.32 = 15,591,273.35/x
  3. Step 3: Cross multiply
    27,981,820.13x = 38,613,892.32 × 15,591,273.35
  4. Step 4: Simplify right side
    27,981,820.13x = 602,039,750,268,585.62
  5. Step 5: Solve for x
    x = 602,039,750,268,585.62/27,981,820.13
  6. Step 6: Final answer
    x = 21,515,389.19

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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.