Home / 18,126,893.61-25,015,773.11-9,866,555.73

Finding the Fourth Proportional to 18,126,893.61, 25,015,773.11 and 9,866,555.73

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Solution

The fourth proportional to 18,126,893.61, 25,015,773.11 and 9,866,555.73 is: 13,616,206.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,126,893.61 : 25,015,773.11 = 9,866,555.73 : x
  2. Step 2: Convert to fraction form
    18,126,893.61/25,015,773.11 = 9,866,555.73/x
  3. Step 3: Cross multiply
    18,126,893.61x = 25,015,773.11 × 9,866,555.73
  4. Step 4: Simplify right side
    18,126,893.61x = 246,819,519,469,517.66
  5. Step 5: Solve for x
    x = 246,819,519,469,517.66/18,126,893.61
  6. Step 6: Final answer
    x = 13,616,206.11

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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.