Home / 8,311,605.55-12,468,654.92-2,919,305.55

Finding the Fourth Proportional to 8,311,605.55, 12,468,654.92 and 2,919,305.55

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Solution

The fourth proportional to 8,311,605.55, 12,468,654.92 and 2,919,305.55 is: 4,379,396.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,311,605.55 : 12,468,654.92 = 2,919,305.55 : x
  2. Step 2: Convert to fraction form
    8,311,605.55/12,468,654.92 = 2,919,305.55/x
  3. Step 3: Cross multiply
    8,311,605.55x = 12,468,654.92 × 2,919,305.55
  4. Step 4: Simplify right side
    8,311,605.55x = 36,399,813,508,990.80
  5. Step 5: Solve for x
    x = 36,399,813,508,990.80/8,311,605.55
  6. Step 6: Final answer
    x = 4,379,396.17

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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.