Home / 28,541,183.92-39,386,859.57-15,488,442.97

Finding the Fourth Proportional to 28,541,183.92, 39,386,859.57 and 15,488,442.97

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Solution

The fourth proportional to 28,541,183.92, 39,386,859.57 and 15,488,442.97 is: 21,374,065.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,541,183.92 : 39,386,859.57 = 15,488,442.97 : x
  2. Step 2: Convert to fraction form
    28,541,183.92/39,386,859.57 = 15,488,442.97/x
  3. Step 3: Cross multiply
    28,541,183.92x = 39,386,859.57 × 15,488,442.97
  4. Step 4: Simplify right side
    28,541,183.92x = 610,041,128,217,343.75
  5. Step 5: Solve for x
    x = 610,041,128,217,343.75/28,541,183.92
  6. Step 6: Final answer
    x = 21,374,065.28

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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.