Home / 7,715,765.38-10,642,876.29-4,957,712.62

Finding the Fourth Proportional to 7,715,765.38, 10,642,876.29 and 4,957,712.62

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Solution

The fourth proportional to 7,715,765.38, 10,642,876.29 and 4,957,712.62 is: 6,838,507.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,715,765.38 : 10,642,876.29 = 4,957,712.62 : x
  2. Step 2: Convert to fraction form
    7,715,765.38/10,642,876.29 = 4,957,712.62/x
  3. Step 3: Cross multiply
    7,715,765.38x = 10,642,876.29 × 4,957,712.62
  4. Step 4: Simplify right side
    7,715,765.38x = 52,764,322,096,031.77
  5. Step 5: Solve for x
    x = 52,764,322,096,031.77/7,715,765.38
  6. Step 6: Final answer
    x = 6,838,507.85

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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.