Home / 10,145,443.20-14,001,248.16-5,561,957.76

Finding the Fourth Proportional to 10,145,443.20, 14,001,248.16 and 5,561,957.76

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Solution

The fourth proportional to 10,145,443.20, 14,001,248.16 and 5,561,957.76 is: 7,675,795.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,145,443.20 : 14,001,248.16 = 5,561,957.76 : x
  2. Step 2: Convert to fraction form
    10,145,443.20/14,001,248.16 = 5,561,957.76/x
  3. Step 3: Cross multiply
    10,145,443.20x = 14,001,248.16 × 5,561,957.76
  4. Step 4: Simplify right side
    10,145,443.20x = 77,874,350,853,197.72
  5. Step 5: Solve for x
    x = 77,874,350,853,197.72/10,145,443.20
  6. Step 6: Final answer
    x = 7,675,795.85

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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.