Home / 7,715,764.38-10,642,874.91-4,957,711.62

Finding the Fourth Proportional to 7,715,764.38, 10,642,874.91 and 4,957,711.62

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Solution

The fourth proportional to 7,715,764.38, 10,642,874.91 and 4,957,711.62 is: 6,838,506.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,715,764.38 : 10,642,874.91 = 4,957,711.62 : x
  2. Step 2: Convert to fraction form
    7,715,764.38/10,642,874.91 = 4,957,711.62/x
  3. Step 3: Cross multiply
    7,715,764.38x = 10,642,874.91 × 4,957,711.62
  4. Step 4: Simplify right side
    7,715,764.38x = 52,764,304,611,513.45
  5. Step 5: Solve for x
    x = 52,764,304,611,513.45/7,715,764.38
  6. Step 6: Final answer
    x = 6,838,506.47

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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.