Home / 8,378,579.43-12,568,853.43-2,987,996.22

Finding the Fourth Proportional to 8,378,579.43, 12,568,853.43 and 2,987,996.22

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Solution

The fourth proportional to 8,378,579.43, 12,568,853.43 and 2,987,996.22 is: 4,482,345.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,378,579.43 : 12,568,853.43 = 2,987,996.22 : x
  2. Step 2: Convert to fraction form
    8,378,579.43/12,568,853.43 = 2,987,996.22/x
  3. Step 3: Cross multiply
    8,378,579.43x = 12,568,853.43 × 2,987,996.22
  4. Step 4: Simplify right side
    8,378,579.43x = 37,555,686,538,574.04
  5. Step 5: Solve for x
    x = 37,555,686,538,574.04/8,378,579.43
  6. Step 6: Final answer
    x = 4,482,345.35

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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.