Home / 20,702,793.95-31,059,781.95-6,325,469.72

Finding the Fourth Proportional to 20,702,793.95, 31,059,781.95 and 6,325,469.72

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Solution

The fourth proportional to 20,702,793.95, 31,059,781.95 and 6,325,469.72 is: 9,489,912.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,702,793.95 : 31,059,781.95 = 6,325,469.72 : x
  2. Step 2: Convert to fraction form
    20,702,793.95/31,059,781.95 = 6,325,469.72/x
  3. Step 3: Cross multiply
    20,702,793.95x = 31,059,781.95 × 6,325,469.72
  4. Step 4: Simplify right side
    20,702,793.95x = 196,467,710,234,527.53
  5. Step 5: Solve for x
    x = 196,467,710,234,527.53/20,702,793.95
  6. Step 6: Final answer
    x = 9,489,912.85

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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.