Home / 8,315,205.20-12,463,476.60-3,522,078.80

Finding the Fourth Proportional to 8,315,205.20, 12,463,476.60 and 3,522,078.80

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Solution

The fourth proportional to 8,315,205.20, 12,463,476.60 and 3,522,078.80 is: 5,279,165.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,315,205.20 : 12,463,476.60 = 3,522,078.80 : x
  2. Step 2: Convert to fraction form
    8,315,205.20/12,463,476.60 = 3,522,078.80/x
  3. Step 3: Cross multiply
    8,315,205.20x = 12,463,476.60 × 3,522,078.80
  4. Step 4: Simplify right side
    8,315,205.20x = 43,897,346,707,156.08
  5. Step 5: Solve for x
    x = 43,897,346,707,156.08/8,315,205.20
  6. Step 6: Final answer
    x = 5,279,165.78

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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.