Home / 7,149,957.39-9,866,824.95-3,886,854.29

Finding the Fourth Proportional to 7,149,957.39, 9,866,824.95 and 3,886,854.29

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Solution

The fourth proportional to 7,149,957.39, 9,866,824.95 and 3,886,854.29 is: 5,363,795.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,149,957.39 : 9,866,824.95 = 3,886,854.29 : x
  2. Step 2: Convert to fraction form
    7,149,957.39/9,866,824.95 = 3,886,854.29/x
  3. Step 3: Cross multiply
    7,149,957.39x = 9,866,824.95 × 3,886,854.29
  4. Step 4: Simplify right side
    7,149,957.39x = 38,350,910,904,857.27
  5. Step 5: Solve for x
    x = 38,350,910,904,857.27/7,149,957.39
  6. Step 6: Final answer
    x = 5,363,795.73

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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.