Home / 8,327,766.20-12,491,649.30-2,648,564.60

Finding the Fourth Proportional to 8,327,766.20, 12,491,649.30 and 2,648,564.60

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Solution

The fourth proportional to 8,327,766.20, 12,491,649.30 and 2,648,564.60 is: 3,972,846.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,327,766.20 : 12,491,649.30 = 2,648,564.60 : x
  2. Step 2: Convert to fraction form
    8,327,766.20/12,491,649.30 = 2,648,564.60/x
  3. Step 3: Cross multiply
    8,327,766.20x = 12,491,649.30 × 2,648,564.60
  4. Step 4: Simplify right side
    8,327,766.20x = 33,084,940,131,594.78
  5. Step 5: Solve for x
    x = 33,084,940,131,594.78/8,327,766.20
  6. Step 6: Final answer
    x = 3,972,846.90

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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.