Home / 8,435,317.20-12,654,012.60-2,753,998.80

Finding the Fourth Proportional to 8,435,317.20, 12,654,012.60 and 2,753,998.80

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Solution

The fourth proportional to 8,435,317.20, 12,654,012.60 and 2,753,998.80 is: 4,131,336.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,435,317.20 : 12,654,012.60 = 2,753,998.80 : x
  2. Step 2: Convert to fraction form
    8,435,317.20/12,654,012.60 = 2,753,998.80/x
  3. Step 3: Cross multiply
    8,435,317.20x = 12,654,012.60 × 2,753,998.80
  4. Step 4: Simplify right side
    8,435,317.20x = 34,849,135,515,584.88
  5. Step 5: Solve for x
    x = 34,849,135,515,584.88/8,435,317.20
  6. Step 6: Final answer
    x = 4,131,336.70

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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.