Home / 11,707,937.82-17,543,700.99-8,120,713.50

Finding the Fourth Proportional to 11,707,937.82, 17,543,700.99 and 8,120,713.50

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Solution

The fourth proportional to 11,707,937.82, 17,543,700.99 and 8,120,713.50 is: 12,168,442.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,707,937.82 : 17,543,700.99 = 8,120,713.50 : x
  2. Step 2: Convert to fraction form
    11,707,937.82/17,543,700.99 = 8,120,713.50/x
  3. Step 3: Cross multiply
    11,707,937.82x = 17,543,700.99 × 8,120,713.50
  4. Step 4: Simplify right side
    11,707,937.82x = 142,467,369,469,456.34
  5. Step 5: Solve for x
    x = 142,467,369,469,456.34/11,707,937.82
  6. Step 6: Final answer
    x = 12,168,442.61

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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.