Home / 15,161,789.82-20,923,272.09-8,286,270.06

Finding the Fourth Proportional to 15,161,789.82, 20,923,272.09 and 8,286,270.06

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Solution

The fourth proportional to 15,161,789.82, 20,923,272.09 and 8,286,270.06 is: 11,435,053.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,161,789.82 : 20,923,272.09 = 8,286,270.06 : x
  2. Step 2: Convert to fraction form
    15,161,789.82/20,923,272.09 = 8,286,270.06/x
  3. Step 3: Cross multiply
    15,161,789.82x = 20,923,272.09 × 8,286,270.06
  4. Step 4: Simplify right side
    15,161,789.82x = 173,375,883,076,600.62
  5. Step 5: Solve for x
    x = 173,375,883,076,600.62/15,161,789.82
  6. Step 6: Final answer
    x = 11,435,053.85

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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.