Home / 8,408,442.20-12,614,021.76-3,551,478.88

Finding the Fourth Proportional to 8,408,442.20, 12,614,021.76 and 3,551,478.88

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Solution

The fourth proportional to 8,408,442.20, 12,614,021.76 and 3,551,478.88 is: 5,327,792.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,408,442.20 : 12,614,021.76 = 3,551,478.88 : x
  2. Step 2: Convert to fraction form
    8,408,442.20/12,614,021.76 = 3,551,478.88/x
  3. Step 3: Cross multiply
    8,408,442.20x = 12,614,021.76 × 3,551,478.88
  4. Step 4: Simplify right side
    8,408,442.20x = 44,798,431,872,500.43
  5. Step 5: Solve for x
    x = 44,798,431,872,500.43/8,408,442.20
  6. Step 6: Final answer
    x = 5,327,792.09

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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.