Home / 20,672,136.30-31,008,204.45-5,526,067.80

Finding the Fourth Proportional to 20,672,136.30, 31,008,204.45 and 5,526,067.80

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Solution

The fourth proportional to 20,672,136.30, 31,008,204.45 and 5,526,067.80 is: 8,289,101.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,672,136.30 : 31,008,204.45 = 5,526,067.80 : x
  2. Step 2: Convert to fraction form
    20,672,136.30/31,008,204.45 = 5,526,067.80/x
  3. Step 3: Cross multiply
    20,672,136.30x = 31,008,204.45 × 5,526,067.80
  4. Step 4: Simplify right side
    20,672,136.30x = 171,353,440,146,961.69
  5. Step 5: Solve for x
    x = 171,353,440,146,961.69/20,672,136.30
  6. Step 6: Final answer
    x = 8,289,101.70

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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.