Home / 12,475,711.14-18,715,340.22-3,840,531.60

Finding the Fourth Proportional to 12,475,711.14, 18,715,340.22 and 3,840,531.60

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Solution

The fourth proportional to 12,475,711.14, 18,715,340.22 and 3,840,531.60 is: 5,761,343.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,475,711.14 : 18,715,340.22 = 3,840,531.60 : x
  2. Step 2: Convert to fraction form
    12,475,711.14/18,715,340.22 = 3,840,531.60/x
  3. Step 3: Cross multiply
    12,475,711.14x = 18,715,340.22 × 3,840,531.60
  4. Step 4: Simplify right side
    12,475,711.14x = 71,876,855,519,660.95
  5. Step 5: Solve for x
    x = 71,876,855,519,660.95/12,475,711.14
  6. Step 6: Final answer
    x = 5,761,343.36

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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.