Home / 8,379,781.67-12,567,378.60-2,313,063.11

Finding the Fourth Proportional to 8,379,781.67, 12,567,378.60 and 2,313,063.11

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Solution

The fourth proportional to 8,379,781.67, 12,567,378.60 and 2,313,063.11 is: 3,468,961.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,379,781.67 : 12,567,378.60 = 2,313,063.11 : x
  2. Step 2: Convert to fraction form
    8,379,781.67/12,567,378.60 = 2,313,063.11/x
  3. Step 3: Cross multiply
    8,379,781.67x = 12,567,378.60 × 2,313,063.11
  4. Step 4: Simplify right side
    8,379,781.67x = 29,069,139,766,226.55
  5. Step 5: Solve for x
    x = 29,069,139,766,226.55/8,379,781.67
  6. Step 6: Final answer
    x = 3,468,961.48

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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.