Home / 12,188,202.12-16,825,076.46-8,531,479.80

Finding the Fourth Proportional to 12,188,202.12, 16,825,076.46 and 8,531,479.80

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Solution

The fourth proportional to 12,188,202.12, 16,825,076.46 and 8,531,479.80 is: 11,777,192.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,188,202.12 : 16,825,076.46 = 8,531,479.80 : x
  2. Step 2: Convert to fraction form
    12,188,202.12/16,825,076.46 = 8,531,479.80/x
  3. Step 3: Cross multiply
    12,188,202.12x = 16,825,076.46 × 8,531,479.80
  4. Step 4: Simplify right side
    12,188,202.12x = 143,542,799,951,945.53
  5. Step 5: Solve for x
    x = 143,542,799,951,945.53/12,188,202.12
  6. Step 6: Final answer
    x = 11,777,192.28

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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.