Home / 15,557,782.75-21,469,177.40-8,588,310.61

Finding the Fourth Proportional to 15,557,782.75, 21,469,177.40 and 8,588,310.61

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Solution

The fourth proportional to 15,557,782.75, 21,469,177.40 and 8,588,310.61 is: 11,851,557.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,557,782.75 : 21,469,177.40 = 8,588,310.61 : x
  2. Step 2: Convert to fraction form
    15,557,782.75/21,469,177.40 = 8,588,310.61/x
  3. Step 3: Cross multiply
    15,557,782.75x = 21,469,177.40 × 8,588,310.61
  4. Step 4: Simplify right side
    15,557,782.75x = 184,383,964,137,932.50
  5. Step 5: Solve for x
    x = 184,383,964,137,932.50/15,557,782.75
  6. Step 6: Final answer
    x = 11,851,557.97

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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.