Home / 12,275,556.57-18,418,645.26-6,589,142.73

Finding the Fourth Proportional to 12,275,556.57, 18,418,645.26 and 6,589,142.73

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Solution

The fourth proportional to 12,275,556.57, 18,418,645.26 and 6,589,142.73 is: 9,886,564.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,275,556.57 : 18,418,645.26 = 6,589,142.73 : x
  2. Step 2: Convert to fraction form
    12,275,556.57/18,418,645.26 = 6,589,142.73/x
  3. Step 3: Cross multiply
    12,275,556.57x = 18,418,645.26 × 6,589,142.73
  4. Step 4: Simplify right side
    12,275,556.57x = 121,363,082,511,377.98
  5. Step 5: Solve for x
    x = 121,363,082,511,377.98/12,275,556.57
  6. Step 6: Final answer
    x = 9,886,564.56

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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.