Home / 12,861,626.83-17,748,585.29-7,279,753.56

Finding the Fourth Proportional to 12,861,626.83, 17,748,585.29 and 7,279,753.56

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Solution

The fourth proportional to 12,861,626.83, 17,748,585.29 and 7,279,753.56 is: 10,045,799.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,861,626.83 : 17,748,585.29 = 7,279,753.56 : x
  2. Step 2: Convert to fraction form
    12,861,626.83/17,748,585.29 = 7,279,753.56/x
  3. Step 3: Cross multiply
    12,861,626.83x = 17,748,585.29 × 7,279,753.56
  4. Step 4: Simplify right side
    12,861,626.83x = 129,205,326,985,332.09
  5. Step 5: Solve for x
    x = 129,205,326,985,332.09/12,861,626.83
  6. Step 6: Final answer
    x = 10,045,799.70

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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.