Home / 28,541,452.27-39,387,229.26-15,488,710.91

Finding the Fourth Proportional to 28,541,452.27, 39,387,229.26 and 15,488,710.91

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Solution

The fourth proportional to 28,541,452.27, 39,387,229.26 and 15,488,710.91 is: 21,374,434.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,541,452.27 : 39,387,229.26 = 15,488,710.91 : x
  2. Step 2: Convert to fraction form
    28,541,452.27/39,387,229.26 = 15,488,710.91/x
  3. Step 3: Cross multiply
    28,541,452.27x = 39,387,229.26 × 15,488,710.91
  4. Step 4: Simplify right side
    28,541,452.27x = 610,057,407,554,033.25
  5. Step 5: Solve for x
    x = 610,057,407,554,033.25/28,541,452.27
  6. Step 6: Final answer
    x = 21,374,434.69

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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.