Home / 8,821,713.60-13,234,125.60-3,145,233.60

Finding the Fourth Proportional to 8,821,713.60, 13,234,125.60 and 3,145,233.60

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Solution

The fourth proportional to 8,821,713.60, 13,234,125.60 and 3,145,233.60 is: 4,718,404.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,821,713.60 : 13,234,125.60 = 3,145,233.60 : x
  2. Step 2: Convert to fraction form
    8,821,713.60/13,234,125.60 = 3,145,233.60/x
  3. Step 3: Cross multiply
    8,821,713.60x = 13,234,125.60 × 3,145,233.60
  4. Step 4: Simplify right side
    8,821,713.60x = 41,624,416,503,740.16
  5. Step 5: Solve for x
    x = 41,624,416,503,740.16/8,821,713.60
  6. Step 6: Final answer
    x = 4,718,404.88

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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.