Home / 10,394,999.80-15,575,910.90-8,702,942.20

Finding the Fourth Proportional to 10,394,999.80, 15,575,910.90 and 8,702,942.20

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Solution

The fourth proportional to 10,394,999.80, 15,575,910.90 and 8,702,942.20 is: 13,040,524.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,394,999.80 : 15,575,910.90 = 8,702,942.20 : x
  2. Step 2: Convert to fraction form
    10,394,999.80/15,575,910.90 = 8,702,942.20/x
  3. Step 3: Cross multiply
    10,394,999.80x = 15,575,910.90 × 8,702,942.20
  4. Step 4: Simplify right side
    10,394,999.80x = 135,556,252,275,049.97
  5. Step 5: Solve for x
    x = 135,556,252,275,049.97/10,394,999.80
  6. Step 6: Final answer
    x = 13,040,524.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.