Home / 8,906,920.65-12,287,896.68-5,419,463.70

Finding the Fourth Proportional to 8,906,920.65, 12,287,896.68 and 5,419,463.70

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Solution

The fourth proportional to 8,906,920.65, 12,287,896.68 and 5,419,463.70 is: 7,476,636.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,906,920.65 : 12,287,896.68 = 5,419,463.70 : x
  2. Step 2: Convert to fraction form
    8,906,920.65/12,287,896.68 = 5,419,463.70/x
  3. Step 3: Cross multiply
    8,906,920.65x = 12,287,896.68 × 5,419,463.70
  4. Step 4: Simplify right side
    8,906,920.65x = 66,593,810,006,610.52
  5. Step 5: Solve for x
    x = 66,593,810,006,610.52/8,906,920.65
  6. Step 6: Final answer
    x = 7,476,636.72

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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.