Home / 13,511,407.12-20,273,286.51-7,354,164.91

Finding the Fourth Proportional to 13,511,407.12, 20,273,286.51 and 7,354,164.91

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Solution

The fourth proportional to 13,511,407.12, 20,273,286.51 and 7,354,164.91 is: 11,034,608.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,511,407.12 : 20,273,286.51 = 7,354,164.91 : x
  2. Step 2: Convert to fraction form
    13,511,407.12/20,273,286.51 = 7,354,164.91/x
  3. Step 3: Cross multiply
    13,511,407.12x = 20,273,286.51 × 7,354,164.91
  4. Step 4: Simplify right side
    13,511,407.12x = 149,093,092,270,227.47
  5. Step 5: Solve for x
    x = 149,093,092,270,227.47/13,511,407.12
  6. Step 6: Final answer
    x = 11,034,608.83

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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.