Home / 20,231,265.60-30,336,400.80-7,445,188.80

Finding the Fourth Proportional to 20,231,265.60, 30,336,400.80 and 7,445,188.80

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Solution

The fourth proportional to 20,231,265.60, 30,336,400.80 and 7,445,188.80 is: 11,163,920.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,231,265.60 : 30,336,400.80 = 7,445,188.80 : x
  2. Step 2: Convert to fraction form
    20,231,265.60/30,336,400.80 = 7,445,188.80/x
  3. Step 3: Cross multiply
    20,231,265.60x = 30,336,400.80 × 7,445,188.80
  4. Step 4: Simplify right side
    20,231,265.60x = 225,860,231,468,471.03
  5. Step 5: Solve for x
    x = 225,860,231,468,471.03/20,231,265.60
  6. Step 6: Final answer
    x = 11,163,920.04

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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.