Home / 12,344,616.87-18,517,811.04-4,257,473.58

Finding the Fourth Proportional to 12,344,616.87, 18,517,811.04 and 4,257,473.58

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Solution

The fourth proportional to 12,344,616.87, 18,517,811.04 and 4,257,473.58 is: 6,386,515.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,344,616.87 : 18,517,811.04 = 4,257,473.58 : x
  2. Step 2: Convert to fraction form
    12,344,616.87/18,517,811.04 = 4,257,473.58/x
  3. Step 3: Cross multiply
    12,344,616.87x = 18,517,811.04 × 4,257,473.58
  4. Step 4: Simplify right side
    12,344,616.87x = 78,839,091,262,232.33
  5. Step 5: Solve for x
    x = 78,839,091,262,232.33/12,344,616.87
  6. Step 6: Final answer
    x = 6,386,515.85

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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.