Home / 8,380,067.32-12,560,351.82-4,788,352.36

Finding the Fourth Proportional to 8,380,067.32, 12,560,351.82 and 4,788,352.36

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Solution

The fourth proportional to 8,380,067.32, 12,560,351.82 and 4,788,352.36 is: 7,176,957.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,380,067.32 : 12,560,351.82 = 4,788,352.36 : x
  2. Step 2: Convert to fraction form
    8,380,067.32/12,560,351.82 = 4,788,352.36/x
  3. Step 3: Cross multiply
    8,380,067.32x = 12,560,351.82 × 4,788,352.36
  4. Step 4: Simplify right side
    8,380,067.32x = 60,143,390,279,727.30
  5. Step 5: Solve for x
    x = 60,143,390,279,727.30/8,380,067.32
  6. Step 6: Final answer
    x = 7,176,957.89

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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.