Home / 42,188,086.59-63,288,194.01-13,044,198.43

Finding the Fourth Proportional to 42,188,086.59, 63,288,194.01 and 13,044,198.43

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Solution

The fourth proportional to 42,188,086.59, 63,288,194.01 and 13,044,198.43 is: 19,568,172.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,188,086.59 : 63,288,194.01 = 13,044,198.43 : x
  2. Step 2: Convert to fraction form
    42,188,086.59/63,288,194.01 = 13,044,198.43/x
  3. Step 3: Cross multiply
    42,188,086.59x = 63,288,194.01 × 13,044,198.43
  4. Step 4: Simplify right side
    42,188,086.59x = 825,543,760,942,777.38
  5. Step 5: Solve for x
    x = 825,543,760,942,777.38/42,188,086.59
  6. Step 6: Final answer
    x = 19,568,172.62

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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.