Home / 22,555,687.85-31,121,512.02-12,766,132.34

Finding the Fourth Proportional to 22,555,687.85, 31,121,512.02 and 12,766,132.34

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Solution

The fourth proportional to 22,555,687.85, 31,121,512.02 and 12,766,132.34 is: 17,614,241.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,555,687.85 : 31,121,512.02 = 12,766,132.34 : x
  2. Step 2: Convert to fraction form
    22,555,687.85/31,121,512.02 = 12,766,132.34/x
  3. Step 3: Cross multiply
    22,555,687.85x = 31,121,512.02 × 12,766,132.34
  4. Step 4: Simplify right side
    22,555,687.85x = 397,301,341,068,220.69
  5. Step 5: Solve for x
    x = 397,301,341,068,220.69/22,555,687.85
  6. Step 6: Final answer
    x = 17,614,241.86

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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.