Home / 10,629,531.30-15,940,384.95-8,359,490.91

Finding the Fourth Proportional to 10,629,531.30, 15,940,384.95 and 8,359,490.91

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Solution

The fourth proportional to 10,629,531.30, 15,940,384.95 and 8,359,490.91 is: 12,536,159.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,629,531.30 : 15,940,384.95 = 8,359,490.91 : x
  2. Step 2: Convert to fraction form
    10,629,531.30/15,940,384.95 = 8,359,490.91/x
  3. Step 3: Cross multiply
    10,629,531.30x = 15,940,384.95 × 8,359,490.91
  4. Step 4: Simplify right side
    10,629,531.30x = 133,253,503,091,425.80
  5. Step 5: Solve for x
    x = 133,253,503,091,425.80/10,629,531.30
  6. Step 6: Final answer
    x = 12,536,159.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.