Home / 20,598,112.28-28,425,755.45-11,306,551.66

Finding the Fourth Proportional to 20,598,112.28, 28,425,755.45 and 11,306,551.66

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Solution

The fourth proportional to 20,598,112.28, 28,425,755.45 and 11,306,551.66 is: 15,603,239.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,598,112.28 : 28,425,755.45 = 11,306,551.66 : x
  2. Step 2: Convert to fraction form
    20,598,112.28/28,425,755.45 = 11,306,551.66/x
  3. Step 3: Cross multiply
    20,598,112.28x = 28,425,755.45 × 11,306,551.66
  4. Step 4: Simplify right side
    20,598,112.28x = 321,397,272,427,153.56
  5. Step 5: Solve for x
    x = 321,397,272,427,153.56/20,598,112.28
  6. Step 6: Final answer
    x = 15,603,239.17

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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.