Home / 20,361,068.04-28,098,456.60-11,068,655.97

Finding the Fourth Proportional to 20,361,068.04, 28,098,456.60 and 11,068,655.97

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Solution

The fourth proportional to 20,361,068.04, 28,098,456.60 and 11,068,655.97 is: 15,274,844.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,361,068.04 : 28,098,456.60 = 11,068,655.97 : x
  2. Step 2: Convert to fraction form
    20,361,068.04/28,098,456.60 = 11,068,655.97/x
  3. Step 3: Cross multiply
    20,361,068.04x = 28,098,456.60 × 11,068,655.97
  4. Step 4: Simplify right side
    20,361,068.04x = 311,012,149,393,375.94
  5. Step 5: Solve for x
    x = 311,012,149,393,375.94/20,361,068.04
  6. Step 6: Final answer
    x = 15,274,844.56

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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.