Home / 11,008,191.70-16,512,287.55-9,378,439.30

Finding the Fourth Proportional to 11,008,191.70, 16,512,287.55 and 9,378,439.30

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Solution

The fourth proportional to 11,008,191.70, 16,512,287.55 and 9,378,439.30 is: 14,067,658.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,008,191.70 : 16,512,287.55 = 9,378,439.30 : x
  2. Step 2: Convert to fraction form
    11,008,191.70/16,512,287.55 = 9,378,439.30/x
  3. Step 3: Cross multiply
    11,008,191.70x = 16,512,287.55 × 9,378,439.30
  4. Step 4: Simplify right side
    11,008,191.70x = 154,859,486,491,820.72
  5. Step 5: Solve for x
    x = 154,859,486,491,820.72/11,008,191.70
  6. Step 6: Final answer
    x = 14,067,658.95

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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.