Home / 7,139,882.66-9,853,209.27-3,876,834.92

Finding the Fourth Proportional to 7,139,882.66, 9,853,209.27 and 3,876,834.92

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Solution

The fourth proportional to 7,139,882.66, 9,853,209.27 and 3,876,834.92 is: 5,350,125.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,139,882.66 : 9,853,209.27 = 3,876,834.92 : x
  2. Step 2: Convert to fraction form
    7,139,882.66/9,853,209.27 = 3,876,834.92/x
  3. Step 3: Cross multiply
    7,139,882.66x = 9,853,209.27 × 3,876,834.92
  4. Step 4: Simplify right side
    7,139,882.66x = 38,199,265,722,737.66
  5. Step 5: Solve for x
    x = 38,199,265,722,737.66/7,139,882.66
  6. Step 6: Final answer
    x = 5,350,125.14

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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.