Home / 14,247,978.12-19,651,451.67-8,951,213.16

Finding the Fourth Proportional to 14,247,978.12, 19,651,451.67 and 8,951,213.16

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Solution

The fourth proportional to 14,247,978.12, 19,651,451.67 and 8,951,213.16 is: 12,345,915.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,247,978.12 : 19,651,451.67 = 8,951,213.16 : x
  2. Step 2: Convert to fraction form
    14,247,978.12/19,651,451.67 = 8,951,213.16/x
  3. Step 3: Cross multiply
    14,247,978.12x = 19,651,451.67 × 8,951,213.16
  4. Step 4: Simplify right side
    14,247,978.12x = 175,904,332,801,608
  5. Step 5: Solve for x
    x = 175,904,332,801,608/14,247,978.12
  6. Step 6: Final answer
    x = 12,345,915.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.