Home / 20,682,072.30-31,023,108.45-5,536,003.80

Finding the Fourth Proportional to 20,682,072.30, 31,023,108.45 and 5,536,003.80

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Solution

The fourth proportional to 20,682,072.30, 31,023,108.45 and 5,536,003.80 is: 8,304,005.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,682,072.30 : 31,023,108.45 = 5,536,003.80 : x
  2. Step 2: Convert to fraction form
    20,682,072.30/31,023,108.45 = 5,536,003.80/x
  3. Step 3: Cross multiply
    20,682,072.30x = 31,023,108.45 × 5,536,003.80
  4. Step 4: Simplify right side
    20,682,072.30x = 171,744,046,267,012.09
  5. Step 5: Solve for x
    x = 171,744,046,267,012.09/20,682,072.30
  6. Step 6: Final answer
    x = 8,304,005.70

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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.