Home / 20,682,081.80-31,023,122.70-5,536,013.30

Finding the Fourth Proportional to 20,682,081.80, 31,023,122.70 and 5,536,013.30

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Solution

The fourth proportional to 20,682,081.80, 31,023,122.70 and 5,536,013.30 is: 8,304,019.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,682,081.80 : 31,023,122.70 = 5,536,013.30 : x
  2. Step 2: Convert to fraction form
    20,682,081.80/31,023,122.70 = 5,536,013.30/x
  3. Step 3: Cross multiply
    20,682,081.80x = 31,023,122.70 × 5,536,013.30
  4. Step 4: Simplify right side
    20,682,081.80x = 171,744,419,874,731.91
  5. Step 5: Solve for x
    x = 171,744,419,874,731.91/20,682,081.80
  6. Step 6: Final answer
    x = 8,304,019.95

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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.