Home / 13,563,062.70-20,344,594.05-8,177,793.90

Finding the Fourth Proportional to 13,563,062.70, 20,344,594.05 and 8,177,793.90

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Solution

The fourth proportional to 13,563,062.70, 20,344,594.05 and 8,177,793.90 is: 12,266,690.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,563,062.70 : 20,344,594.05 = 8,177,793.90 : x
  2. Step 2: Convert to fraction form
    13,563,062.70/20,344,594.05 = 8,177,793.90/x
  3. Step 3: Cross multiply
    13,563,062.70x = 20,344,594.05 × 8,177,793.90
  4. Step 4: Simplify right side
    13,563,062.70x = 166,373,897,120,066.31
  5. Step 5: Solve for x
    x = 166,373,897,120,066.31/13,563,062.70
  6. Step 6: Final answer
    x = 12,266,690.85

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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.