Home / 13,454,542.32-18,561,444-8,227,778.98

Finding the Fourth Proportional to 13,454,542.32, 18,561,444 and 8,227,778.98

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Solution

The fourth proportional to 13,454,542.32, 18,561,444 and 8,227,778.98 is: 11,350,773.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,454,542.32 : 18,561,444 = 8,227,778.98 : x
  2. Step 2: Convert to fraction form
    13,454,542.32/18,561,444 = 8,227,778.98/x
  3. Step 3: Cross multiply
    13,454,542.32x = 18,561,444 × 8,227,778.98
  4. Step 4: Simplify right side
    13,454,542.32x = 152,719,458,781,647.12
  5. Step 5: Solve for x
    x = 152,719,458,781,647.12/13,454,542.32
  6. Step 6: Final answer
    x = 11,350,773.23

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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.