Home / 42,321,861.20-63,482,791.80-13,588,617.80

Finding the Fourth Proportional to 42,321,861.20, 63,482,791.80 and 13,588,617.80

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Solution

The fourth proportional to 42,321,861.20, 63,482,791.80 and 13,588,617.80 is: 20,382,926.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,321,861.20 : 63,482,791.80 = 13,588,617.80 : x
  2. Step 2: Convert to fraction form
    42,321,861.20/63,482,791.80 = 13,588,617.80/x
  3. Step 3: Cross multiply
    42,321,861.20x = 63,482,791.80 × 13,588,617.80
  4. Step 4: Simplify right side
    42,321,861.20x = 862,643,394,647,174
  5. Step 5: Solve for x
    x = 862,643,394,647,174/42,321,861.20
  6. Step 6: Final answer
    x = 20,382,926.70

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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.