Home / 8,161,855.20-12,243,243.60-2,482,264.80

Finding the Fourth Proportional to 8,161,855.20, 12,243,243.60 and 2,482,264.80

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Solution

The fourth proportional to 8,161,855.20, 12,243,243.60 and 2,482,264.80 is: 3,723,537.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,161,855.20 : 12,243,243.60 = 2,482,264.80 : x
  2. Step 2: Convert to fraction form
    8,161,855.20/12,243,243.60 = 2,482,264.80/x
  3. Step 3: Cross multiply
    8,161,855.20x = 12,243,243.60 × 2,482,264.80
  4. Step 4: Simplify right side
    8,161,855.20x = 30,390,972,626,105.28
  5. Step 5: Solve for x
    x = 30,390,972,626,105.28/8,161,855.20
  6. Step 6: Final answer
    x = 3,723,537.34

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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.