Home / 8,378,574.93-12,568,846.68-2,987,991.72

Finding the Fourth Proportional to 8,378,574.93, 12,568,846.68 and 2,987,991.72

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Solution

The fourth proportional to 8,378,574.93, 12,568,846.68 and 2,987,991.72 is: 4,482,338.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,378,574.93 : 12,568,846.68 = 2,987,991.72 : x
  2. Step 2: Convert to fraction form
    8,378,574.93/12,568,846.68 = 2,987,991.72/x
  3. Step 3: Cross multiply
    8,378,574.93x = 12,568,846.68 × 2,987,991.72
  4. Step 4: Simplify right side
    8,378,574.93x = 37,555,609,809,789.49
  5. Step 5: Solve for x
    x = 37,555,609,809,789.49/8,378,574.93
  6. Step 6: Final answer
    x = 4,482,338.60

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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.