Home / 8,787,515.87-13,171,973.42-3,998,568.15

Finding the Fourth Proportional to 8,787,515.87, 13,171,973.42 and 3,998,568.15

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Solution

The fourth proportional to 8,787,515.87, 13,171,973.42 and 3,998,568.15 is: 5,993,620.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,787,515.87 : 13,171,973.42 = 3,998,568.15 : x
  2. Step 2: Convert to fraction form
    8,787,515.87/13,171,973.42 = 3,998,568.15/x
  3. Step 3: Cross multiply
    8,787,515.87x = 13,171,973.42 × 3,998,568.15
  4. Step 4: Simplify right side
    8,787,515.87x = 52,669,033,399,854.99
  5. Step 5: Solve for x
    x = 52,669,033,399,854.99/8,787,515.87
  6. Step 6: Final answer
    x = 5,993,620.29

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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.