Home / 15,700,245.92-21,663,163.84-9,172,614.64

Finding the Fourth Proportional to 15,700,245.92, 21,663,163.84 and 9,172,614.64

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Solution

The fourth proportional to 15,700,245.92, 21,663,163.84 and 9,172,614.64 is: 12,656,352.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,700,245.92 : 21,663,163.84 = 9,172,614.64 : x
  2. Step 2: Convert to fraction form
    15,700,245.92/21,663,163.84 = 9,172,614.64/x
  3. Step 3: Cross multiply
    15,700,245.92x = 21,663,163.84 × 9,172,614.64
  4. Step 4: Simplify right side
    15,700,245.92x = 198,707,853,787,502.62
  5. Step 5: Solve for x
    x = 198,707,853,787,502.62/15,700,245.92
  6. Step 6: Final answer
    x = 12,656,352.95

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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.