Home / 18,851,793.59-28,279,905.03-6,722,981.37

Finding the Fourth Proportional to 18,851,793.59, 28,279,905.03 and 6,722,981.37

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Solution

The fourth proportional to 18,851,793.59, 28,279,905.03 and 6,722,981.37 is: 10,085,261.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,851,793.59 : 28,279,905.03 = 6,722,981.37 : x
  2. Step 2: Convert to fraction form
    18,851,793.59/28,279,905.03 = 6,722,981.37/x
  3. Step 3: Cross multiply
    18,851,793.59x = 28,279,905.03 × 6,722,981.37
  4. Step 4: Simplify right side
    18,851,793.59x = 190,125,274,662,059.31
  5. Step 5: Solve for x
    x = 190,125,274,662,059.31/18,851,793.59
  6. Step 6: Final answer
    x = 10,085,261.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.