Home / 19,659,144.56-27,129,745.40-10,957,868.87

Finding the Fourth Proportional to 19,659,144.56, 27,129,745.40 and 10,957,868.87

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Solution

The fourth proportional to 19,659,144.56, 27,129,745.40 and 10,957,868.87 is: 15,121,929.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,659,144.56 : 27,129,745.40 = 10,957,868.87 : x
  2. Step 2: Convert to fraction form
    19,659,144.56/27,129,745.40 = 10,957,868.87/x
  3. Step 3: Cross multiply
    19,659,144.56x = 27,129,745.40 × 10,957,868.87
  4. Step 4: Simplify right side
    19,659,144.56x = 297,284,192,379,247.62
  5. Step 5: Solve for x
    x = 297,284,192,379,247.62/19,659,144.56
  6. Step 6: Final answer
    x = 15,121,929.21

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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.