Home / 12,155,440.77-16,773,882.17-6,647,743.71

Finding the Fourth Proportional to 12,155,440.77, 16,773,882.17 and 6,647,743.71

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Solution

The fourth proportional to 12,155,440.77, 16,773,882.17 and 6,647,743.71 is: 9,173,543.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,155,440.77 : 16,773,882.17 = 6,647,743.71 : x
  2. Step 2: Convert to fraction form
    12,155,440.77/16,773,882.17 = 6,647,743.71/x
  3. Step 3: Cross multiply
    12,155,440.77x = 16,773,882.17 × 6,647,743.71
  4. Step 4: Simplify right side
    12,155,440.77x = 111,508,469,654,659.92
  5. Step 5: Solve for x
    x = 111,508,469,654,659.92/12,155,440.77
  6. Step 6: Final answer
    x = 9,173,543.91

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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.