Home / 6,515,443.50-8,991,552.20-3,936,625.85

Finding the Fourth Proportional to 6,515,443.50, 8,991,552.20 and 3,936,625.85

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Solution

The fourth proportional to 6,515,443.50, 8,991,552.20 and 3,936,625.85 is: 5,432,688.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,515,443.50 : 8,991,552.20 = 3,936,625.85 : x
  2. Step 2: Convert to fraction form
    6,515,443.50/8,991,552.20 = 3,936,625.85/x
  3. Step 3: Cross multiply
    6,515,443.50x = 8,991,552.20 × 3,936,625.85
  4. Step 4: Simplify right side
    6,515,443.50x = 35,396,376,757,503.48
  5. Step 5: Solve for x
    x = 35,396,376,757,503.48/6,515,443.50
  6. Step 6: Final answer
    x = 5,432,688.77

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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.