Home / 18,373,940.10-27,560,910.15-12,894,192.90

Finding the Fourth Proportional to 18,373,940.10, 27,560,910.15 and 12,894,192.90

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Solution

The fourth proportional to 18,373,940.10, 27,560,910.15 and 12,894,192.90 is: 19,341,289.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,373,940.10 : 27,560,910.15 = 12,894,192.90 : x
  2. Step 2: Convert to fraction form
    18,373,940.10/27,560,910.15 = 12,894,192.90/x
  3. Step 3: Cross multiply
    18,373,940.10x = 27,560,910.15 × 12,894,192.90
  4. Step 4: Simplify right side
    18,373,940.10x = 355,375,691,973,667.94
  5. Step 5: Solve for x
    x = 355,375,691,973,667.94/18,373,940.10
  6. Step 6: Final answer
    x = 19,341,289.35

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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.