Home / 17,511,272.40-26,231,479.20-12,126,003.60

Finding the Fourth Proportional to 17,511,272.40, 26,231,479.20 and 12,126,003.60

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Solution

The fourth proportional to 17,511,272.40, 26,231,479.20 and 12,126,003.60 is: 18,164,471.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,511,272.40 : 26,231,479.20 = 12,126,003.60 : x
  2. Step 2: Convert to fraction form
    17,511,272.40/26,231,479.20 = 12,126,003.60/x
  3. Step 3: Cross multiply
    17,511,272.40x = 26,231,479.20 × 12,126,003.60
  4. Step 4: Simplify right side
    17,511,272.40x = 318,083,011,212,525.12
  5. Step 5: Solve for x
    x = 318,083,011,212,525.12/17,511,272.40
  6. Step 6: Final answer
    x = 18,164,471.66

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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.