Home / 11,923,709.20-17,864,568.60-9,782,198.80

Finding the Fourth Proportional to 11,923,709.20, 17,864,568.60 and 9,782,198.80

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Solution

The fourth proportional to 11,923,709.20, 17,864,568.60 and 9,782,198.80 is: 14,656,073.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,923,709.20 : 17,864,568.60 = 9,782,198.80 : x
  2. Step 2: Convert to fraction form
    11,923,709.20/17,864,568.60 = 9,782,198.80/x
  3. Step 3: Cross multiply
    11,923,709.20x = 17,864,568.60 × 9,782,198.80
  4. Step 4: Simplify right side
    11,923,709.20x = 174,754,761,521,437.72
  5. Step 5: Solve for x
    x = 174,754,761,521,437.72/11,923,709.20
  6. Step 6: Final answer
    x = 14,656,073.76

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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.