Home / 20,231,280.60-30,336,423.30-7,445,203.80

Finding the Fourth Proportional to 20,231,280.60, 30,336,423.30 and 7,445,203.80

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Solution

The fourth proportional to 20,231,280.60, 30,336,423.30 and 7,445,203.80 is: 11,163,942.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,231,280.60 : 30,336,423.30 = 7,445,203.80 : x
  2. Step 2: Convert to fraction form
    20,231,280.60/30,336,423.30 = 7,445,203.80/x
  3. Step 3: Cross multiply
    20,231,280.60x = 30,336,423.30 × 7,445,203.80
  4. Step 4: Simplify right side
    20,231,280.60x = 225,860,854,031,568.53
  5. Step 5: Solve for x
    x = 225,860,854,031,568.53/20,231,280.60
  6. Step 6: Final answer
    x = 11,163,942.54

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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.