Home / 8,160,942.20-12,241,874.10-2,481,351.80

Finding the Fourth Proportional to 8,160,942.20, 12,241,874.10 and 2,481,351.80

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Solution

The fourth proportional to 8,160,942.20, 12,241,874.10 and 2,481,351.80 is: 3,722,167.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,160,942.20 : 12,241,874.10 = 2,481,351.80 : x
  2. Step 2: Convert to fraction form
    8,160,942.20/12,241,874.10 = 2,481,351.80/x
  3. Step 3: Cross multiply
    8,160,942.20x = 12,241,874.10 × 2,481,351.80
  4. Step 4: Simplify right side
    8,160,942.20x = 30,376,396,333,408.38
  5. Step 5: Solve for x
    x = 30,376,396,333,408.38/8,160,942.20
  6. Step 6: Final answer
    x = 3,722,167.81

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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.