Home / 20,544,439.38-28,352,217.60-11,377,082.16

Finding the Fourth Proportional to 20,544,439.38, 28,352,217.60 and 11,377,082.16

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Solution

The fourth proportional to 20,544,439.38, 28,352,217.60 and 11,377,082.16 is: 15,700,866.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,544,439.38 : 28,352,217.60 = 11,377,082.16 : x
  2. Step 2: Convert to fraction form
    20,544,439.38/28,352,217.60 = 11,377,082.16/x
  3. Step 3: Cross multiply
    20,544,439.38x = 28,352,217.60 × 11,377,082.16
  4. Step 4: Simplify right side
    20,544,439.38x = 322,565,509,053,398.06
  5. Step 5: Solve for x
    x = 322,565,509,053,398.06/20,544,439.38
  6. Step 6: Final answer
    x = 15,700,866.94

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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.