Home / 20,265,257.28-30,393,327.42-9,324,952.66

Finding the Fourth Proportional to 20,265,257.28, 30,393,327.42 and 9,324,952.66

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Solution

The fourth proportional to 20,265,257.28, 30,393,327.42 and 9,324,952.66 is: 13,985,331.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,265,257.28 : 30,393,327.42 = 9,324,952.66 : x
  2. Step 2: Convert to fraction form
    20,265,257.28/30,393,327.42 = 9,324,952.66/x
  3. Step 3: Cross multiply
    20,265,257.28x = 30,393,327.42 × 9,324,952.66
  4. Step 4: Simplify right side
    20,265,257.28x = 283,416,339,371,379.94
  5. Step 5: Solve for x
    x = 283,416,339,371,379.94/20,265,257.28
  6. Step 6: Final answer
    x = 13,985,331.42

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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.