Home / 20,446,936.68-28,216,318.50-11,279,577

Finding the Fourth Proportional to 20,446,936.68, 28,216,318.50 and 11,279,577

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Solution

The fourth proportional to 20,446,936.68, 28,216,318.50 and 11,279,577 is: 15,565,565.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,446,936.68 : 28,216,318.50 = 11,279,577 : x
  2. Step 2: Convert to fraction form
    20,446,936.68/28,216,318.50 = 11,279,577/x
  3. Step 3: Cross multiply
    20,446,936.68x = 28,216,318.50 × 11,279,577
  4. Step 4: Simplify right side
    20,446,936.68x = 318,268,137,177,274.50
  5. Step 5: Solve for x
    x = 318,268,137,177,274.50/20,446,936.68
  6. Step 6: Final answer
    x = 15,565,565.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.