Home / 26,576,543.60-39,839,932.20-20,816,082.80

Finding the Fourth Proportional to 26,576,543.60, 39,839,932.20 and 20,816,082.80

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Solution

The fourth proportional to 26,576,543.60, 39,839,932.20 and 20,816,082.80 is: 31,204,634.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,576,543.60 : 39,839,932.20 = 20,816,082.80 : x
  2. Step 2: Convert to fraction form
    26,576,543.60/39,839,932.20 = 20,816,082.80/x
  3. Step 3: Cross multiply
    26,576,543.60x = 39,839,932.20 × 20,816,082.80
  4. Step 4: Simplify right side
    26,576,543.60x = 829,311,327,421,586.25
  5. Step 5: Solve for x
    x = 829,311,327,421,586.25/26,576,543.60
  6. Step 6: Final answer
    x = 31,204,634.43

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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.