Home / 11,741,660.80-17,612,491.20-8,340,438.40

Finding the Fourth Proportional to 11,741,660.80, 17,612,491.20 and 8,340,438.40

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Solution

The fourth proportional to 11,741,660.80, 17,612,491.20 and 8,340,438.40 is: 12,510,657.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,741,660.80 : 17,612,491.20 = 8,340,438.40 : x
  2. Step 2: Convert to fraction form
    11,741,660.80/17,612,491.20 = 8,340,438.40/x
  3. Step 3: Cross multiply
    11,741,660.80x = 17,612,491.20 × 8,340,438.40
  4. Step 4: Simplify right side
    11,741,660.80x = 146,895,897,924,142.09
  5. Step 5: Solve for x
    x = 146,895,897,924,142.09/11,741,660.80
  6. Step 6: Final answer
    x = 12,510,657.60

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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.