Home / 31,512,747.68-43,487,923.20-17,761,711.80

Finding the Fourth Proportional to 31,512,747.68, 43,487,923.20 and 17,761,711.80

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Solution

The fourth proportional to 31,512,747.68, 43,487,923.20 and 17,761,711.80 is: 24,511,349.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,512,747.68 : 43,487,923.20 = 17,761,711.80 : x
  2. Step 2: Convert to fraction form
    31,512,747.68/43,487,923.20 = 17,761,711.80/x
  3. Step 3: Cross multiply
    31,512,747.68x = 43,487,923.20 × 17,761,711.80
  4. Step 4: Simplify right side
    31,512,747.68x = 772,419,958,658,933.88
  5. Step 5: Solve for x
    x = 772,419,958,658,933.88/31,512,747.68
  6. Step 6: Final answer
    x = 24,511,349.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.