Home / 12,659,497.76-18,989,246.88-3,074,811.71

Finding the Fourth Proportional to 12,659,497.76, 18,989,246.88 and 3,074,811.71

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Solution

The fourth proportional to 12,659,497.76, 18,989,246.88 and 3,074,811.71 is: 4,612,217.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,659,497.76 : 18,989,246.88 = 3,074,811.71 : x
  2. Step 2: Convert to fraction form
    12,659,497.76/18,989,246.88 = 3,074,811.71/x
  3. Step 3: Cross multiply
    12,659,497.76x = 18,989,246.88 × 3,074,811.71
  4. Step 4: Simplify right side
    12,659,497.76x = 58,388,358,575,758.73
  5. Step 5: Solve for x
    x = 58,388,358,575,758.73/12,659,497.76
  6. Step 6: Final answer
    x = 4,612,217.61

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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.