Home / 15,404,747.72-21,259,216.01-8,529,229.79

Finding the Fourth Proportional to 15,404,747.72, 21,259,216.01 and 8,529,229.79

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Solution

The fourth proportional to 15,404,747.72, 21,259,216.01 and 8,529,229.79 is: 11,770,704.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,404,747.72 : 21,259,216.01 = 8,529,229.79 : x
  2. Step 2: Convert to fraction form
    15,404,747.72/21,259,216.01 = 8,529,229.79/x
  3. Step 3: Cross multiply
    15,404,747.72x = 21,259,216.01 × 8,529,229.79
  4. Step 4: Simplify right side
    15,404,747.72x = 181,324,738,419,563.94
  5. Step 5: Solve for x
    x = 181,324,738,419,563.94/15,404,747.72
  6. Step 6: Final answer
    x = 11,770,704.83

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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.