Home / 13,771,520.20-20,639,565.60-8,374,441.60

Finding the Fourth Proportional to 13,771,520.20, 20,639,565.60 and 8,374,441.60

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Solution

The fourth proportional to 13,771,520.20, 20,639,565.60 and 8,374,441.60 is: 12,550,890.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,771,520.20 : 20,639,565.60 = 8,374,441.60 : x
  2. Step 2: Convert to fraction form
    13,771,520.20/20,639,565.60 = 8,374,441.60/x
  3. Step 3: Cross multiply
    13,771,520.20x = 20,639,565.60 × 8,374,441.60
  4. Step 4: Simplify right side
    13,771,520.20x = 172,844,836,766,568.97
  5. Step 5: Solve for x
    x = 172,844,836,766,568.97/13,771,520.20
  6. Step 6: Final answer
    x = 12,550,890.12

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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.