Home / 28,548,201.50-39,396,549.98-15,495,456.92

Finding the Fourth Proportional to 28,548,201.50, 39,396,549.98 and 15,495,456.92

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Solution

The fourth proportional to 28,548,201.50, 39,396,549.98 and 15,495,456.92 is: 21,383,747.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,548,201.50 : 39,396,549.98 = 15,495,456.92 : x
  2. Step 2: Convert to fraction form
    28,548,201.50/39,396,549.98 = 15,495,456.92/x
  3. Step 3: Cross multiply
    28,548,201.50x = 39,396,549.98 × 15,495,456.92
  4. Step 4: Simplify right side
    28,548,201.50x = 610,467,543,011,716.75
  5. Step 5: Solve for x
    x = 610,467,543,011,716.75/28,548,201.50
  6. Step 6: Final answer
    x = 21,383,747.87

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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.