Home / 12,472,934.11-18,709,447.13-3,836,974.72

Finding the Fourth Proportional to 12,472,934.11, 18,709,447.13 and 3,836,974.72

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Solution

The fourth proportional to 12,472,934.11, 18,709,447.13 and 3,836,974.72 is: 5,755,476.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,472,934.11 : 18,709,447.13 = 3,836,974.72 : x
  2. Step 2: Convert to fraction form
    12,472,934.11/18,709,447.13 = 3,836,974.72/x
  3. Step 3: Cross multiply
    12,472,934.11x = 18,709,447.13 × 3,836,974.72
  4. Step 4: Simplify right side
    12,472,934.11x = 71,787,675,662,986.55
  5. Step 5: Solve for x
    x = 71,787,675,662,986.55/12,472,934.11
  6. Step 6: Final answer
    x = 5,755,476.22

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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.