Home / 12,183,485.90-18,268,230.45-3,662,545.10

Finding the Fourth Proportional to 12,183,485.90, 18,268,230.45 and 3,662,545.10

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Solution

The fourth proportional to 12,183,485.90, 18,268,230.45 and 3,662,545.10 is: 5,491,713.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,183,485.90 : 18,268,230.45 = 3,662,545.10 : x
  2. Step 2: Convert to fraction form
    12,183,485.90/18,268,230.45 = 3,662,545.10/x
  3. Step 3: Cross multiply
    12,183,485.90x = 18,268,230.45 × 3,662,545.10
  4. Step 4: Simplify right side
    12,183,485.90x = 66,908,217,920,318.30
  5. Step 5: Solve for x
    x = 66,908,217,920,318.30/12,183,485.90
  6. Step 6: Final answer
    x = 5,491,713.82

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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.