Home / 15,474,546.45-21,355,067.61-8,505,984.96

Finding the Fourth Proportional to 15,474,546.45, 21,355,067.61 and 8,505,984.96

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Solution

The fourth proportional to 15,474,546.45, 21,355,067.61 and 8,505,984.96 is: 11,738,365.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,474,546.45 : 21,355,067.61 = 8,505,984.96 : x
  2. Step 2: Convert to fraction form
    15,474,546.45/21,355,067.61 = 8,505,984.96/x
  3. Step 3: Cross multiply
    15,474,546.45x = 21,355,067.61 × 8,505,984.96
  4. Step 4: Simplify right side
    15,474,546.45x = 181,645,883,910,443.16
  5. Step 5: Solve for x
    x = 181,645,883,910,443.16/15,474,546.45
  6. Step 6: Final answer
    x = 11,738,365.61

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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.