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Finding the Fourth Proportional to 8,766,019.20, 13,149,028.80 and 2,376,261.30

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Solution

The fourth proportional to 8,766,019.20, 13,149,028.80 and 2,376,261.30 is: 3,564,391.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,766,019.20 : 13,149,028.80 = 2,376,261.30 : x
  2. Step 2: Convert to fraction form
    8,766,019.20/13,149,028.80 = 2,376,261.30/x
  3. Step 3: Cross multiply
    8,766,019.20x = 13,149,028.80 × 2,376,261.30
  4. Step 4: Simplify right side
    8,766,019.20x = 31,245,528,270,025.44
  5. Step 5: Solve for x
    x = 31,245,528,270,025.44/8,766,019.20
  6. Step 6: Final answer
    x = 3,564,391.95

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Similar ratio
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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.