Home / 12,002,184.72-18,003,857.04-3,915,144.72

Finding the Fourth Proportional to 12,002,184.72, 18,003,857.04 and 3,915,144.72

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Solution

The fourth proportional to 12,002,184.72, 18,003,857.04 and 3,915,144.72 is: 5,872,906.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,002,184.72 : 18,003,857.04 = 3,915,144.72 : x
  2. Step 2: Convert to fraction form
    12,002,184.72/18,003,857.04 = 3,915,144.72/x
  3. Step 3: Cross multiply
    12,002,184.72x = 18,003,857.04 × 3,915,144.72
  4. Step 4: Simplify right side
    12,002,184.72x = 70,487,705,829,790.83
  5. Step 5: Solve for x
    x = 70,487,705,829,790.83/12,002,184.72
  6. Step 6: Final answer
    x = 5,872,906.26

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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.