Home / 28,544,397.21-39,391,562.52-15,491,768.85

Finding the Fourth Proportional to 28,544,397.21, 39,391,562.52 and 15,491,768.85

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Solution

The fourth proportional to 28,544,397.21, 39,391,562.52 and 15,491,768.85 is: 21,378,800.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,544,397.21 : 39,391,562.52 = 15,491,768.85 : x
  2. Step 2: Convert to fraction form
    28,544,397.21/39,391,562.52 = 15,491,768.85/x
  3. Step 3: Cross multiply
    28,544,397.21x = 39,391,562.52 × 15,491,768.85
  4. Step 4: Simplify right side
    28,544,397.21x = 610,244,981,200,163.50
  5. Step 5: Solve for x
    x = 610,244,981,200,163.50/28,544,397.21
  6. Step 6: Final answer
    x = 21,378,800.78

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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.