Home / 20,231,272.60-30,336,411.30-7,445,195.80

Finding the Fourth Proportional to 20,231,272.60, 30,336,411.30 and 7,445,195.80

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Solution

The fourth proportional to 20,231,272.60, 30,336,411.30 and 7,445,195.80 is: 11,163,930.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,231,272.60 : 30,336,411.30 = 7,445,195.80 : x
  2. Step 2: Convert to fraction form
    20,231,272.60/30,336,411.30 = 7,445,195.80/x
  3. Step 3: Cross multiply
    20,231,272.60x = 30,336,411.30 × 7,445,195.80
  4. Step 4: Simplify right side
    20,231,272.60x = 225,860,521,997,832.53
  5. Step 5: Solve for x
    x = 225,860,521,997,832.53/20,231,272.60
  6. Step 6: Final answer
    x = 11,163,930.54

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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.