Home / 8,378,577.68-12,568,850.81-2,987,994.47

Finding the Fourth Proportional to 8,378,577.68, 12,568,850.81 and 2,987,994.47

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Solution

The fourth proportional to 8,378,577.68, 12,568,850.81 and 2,987,994.47 is: 4,482,342.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,378,577.68 : 12,568,850.81 = 2,987,994.47 : x
  2. Step 2: Convert to fraction form
    8,378,577.68/12,568,850.81 = 2,987,994.47/x
  3. Step 3: Cross multiply
    8,378,577.68x = 12,568,850.81 × 2,987,994.47
  4. Step 4: Simplify right side
    8,378,577.68x = 37,555,656,699,595.05
  5. Step 5: Solve for x
    x = 37,555,656,699,595.05/8,378,577.68
  6. Step 6: Final answer
    x = 4,482,342.72

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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.