Home / 15,340,391.33-21,170,189.22-8,371,517.93

Finding the Fourth Proportional to 15,340,391.33, 21,170,189.22 and 8,371,517.93

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Solution

The fourth proportional to 15,340,391.33, 21,170,189.22 and 8,371,517.93 is: 11,552,939.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,340,391.33 : 21,170,189.22 = 8,371,517.93 : x
  2. Step 2: Convert to fraction form
    15,340,391.33/21,170,189.22 = 8,371,517.93/x
  3. Step 3: Cross multiply
    15,340,391.33x = 21,170,189.22 × 8,371,517.93
  4. Step 4: Simplify right side
    15,340,391.33x = 177,226,618,530,871.75
  5. Step 5: Solve for x
    x = 177,226,618,530,871.75/15,340,391.33
  6. Step 6: Final answer
    x = 11,552,939.87

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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.