Home / 20,418,772.44-28,177,908.60-11,126,344

Finding the Fourth Proportional to 20,418,772.44, 28,177,908.60 and 11,126,344

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Solution

The fourth proportional to 20,418,772.44, 28,177,908.60 and 11,126,344 is: 15,354,356.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,418,772.44 : 28,177,908.60 = 11,126,344 : x
  2. Step 2: Convert to fraction form
    20,418,772.44/28,177,908.60 = 11,126,344/x
  3. Step 3: Cross multiply
    20,418,772.44x = 28,177,908.60 × 11,126,344
  4. Step 4: Simplify right side
    20,418,772.44x = 313,517,104,284,158.44
  5. Step 5: Solve for x
    x = 313,517,104,284,158.44/20,418,772.44
  6. Step 6: Final answer
    x = 15,354,356.15

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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.