Home / 9,919,011.92-13,690,250.25-5,732,874.61

Finding the Fourth Proportional to 9,919,011.92, 13,690,250.25 and 5,732,874.61

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Solution

The fourth proportional to 9,919,011.92, 13,690,250.25 and 5,732,874.61 is: 7,912,530.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,919,011.92 : 13,690,250.25 = 5,732,874.61 : x
  2. Step 2: Convert to fraction form
    9,919,011.92/13,690,250.25 = 5,732,874.61/x
  3. Step 3: Cross multiply
    9,919,011.92x = 13,690,250.25 × 5,732,874.61
  4. Step 4: Simplify right side
    9,919,011.92x = 78,484,488,007,047.25
  5. Step 5: Solve for x
    x = 78,484,488,007,047.25/9,919,011.92
  6. Step 6: Final answer
    x = 7,912,530.87

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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.