Home / 20,750,793.30-31,126,189.95-20,431,928.70

Finding the Fourth Proportional to 20,750,793.30, 31,126,189.95 and 20,431,928.70

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Solution

The fourth proportional to 20,750,793.30, 31,126,189.95 and 20,431,928.70 is: 30,647,893.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,750,793.30 : 31,126,189.95 = 20,431,928.70 : x
  2. Step 2: Convert to fraction form
    20,750,793.30/31,126,189.95 = 20,431,928.70/x
  3. Step 3: Cross multiply
    20,750,793.30x = 31,126,189.95 × 20,431,928.70
  4. Step 4: Simplify right side
    20,750,793.30x = 635,968,093,761,056.50
  5. Step 5: Solve for x
    x = 635,968,093,761,056.50/20,750,793.30
  6. Step 6: Final answer
    x = 30,647,893.05

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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.