Home / 12,012,121.80-18,016,433.10-3,491,569.80

Finding the Fourth Proportional to 12,012,121.80, 18,016,433.10 and 3,491,569.80

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Solution

The fourth proportional to 12,012,121.80, 18,016,433.10 and 3,491,569.80 is: 5,236,846.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,012,121.80 : 18,016,433.10 = 3,491,569.80 : x
  2. Step 2: Convert to fraction form
    12,012,121.80/18,016,433.10 = 3,491,569.80/x
  3. Step 3: Cross multiply
    12,012,121.80x = 18,016,433.10 × 3,491,569.80
  4. Step 4: Simplify right side
    12,012,121.80x = 62,905,633,715,680.38
  5. Step 5: Solve for x
    x = 62,905,633,715,680.38/12,012,121.80
  6. Step 6: Final answer
    x = 5,236,846.14

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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.