Home / 8,378,576.06-12,568,848.37-2,987,992.85

Finding the Fourth Proportional to 8,378,576.06, 12,568,848.37 and 2,987,992.85

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Solution

The fourth proportional to 8,378,576.06, 12,568,848.37 and 2,987,992.85 is: 4,482,340.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,378,576.06 : 12,568,848.37 = 2,987,992.85 : x
  2. Step 2: Convert to fraction form
    8,378,576.06/12,568,848.37 = 2,987,992.85/x
  3. Step 3: Cross multiply
    8,378,576.06x = 12,568,848.37 × 2,987,992.85
  4. Step 4: Simplify right side
    8,378,576.06x = 37,555,628,991,979.93
  5. Step 5: Solve for x
    x = 37,555,628,991,979.93/8,378,576.06
  6. Step 6: Final answer
    x = 4,482,340.29

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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.