Home / 12,454,912.10-18,682,368.15-8,199,884.90

Finding the Fourth Proportional to 12,454,912.10, 18,682,368.15 and 8,199,884.90

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Solution

The fourth proportional to 12,454,912.10, 18,682,368.15 and 8,199,884.90 is: 12,299,827.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,454,912.10 : 18,682,368.15 = 8,199,884.90 : x
  2. Step 2: Convert to fraction form
    12,454,912.10/18,682,368.15 = 8,199,884.90/x
  3. Step 3: Cross multiply
    12,454,912.10x = 18,682,368.15 × 8,199,884.90
  4. Step 4: Simplify right side
    12,454,912.10x = 153,193,268,489,425.94
  5. Step 5: Solve for x
    x = 153,193,268,489,425.94/12,454,912.10
  6. Step 6: Final answer
    x = 12,299,827.35

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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.