Home / 12,366,414-18,540,652.94-8,312,847.78

Finding the Fourth Proportional to 12,366,414, 18,540,652.94 and 8,312,847.78

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Solution

The fourth proportional to 12,366,414, 18,540,652.94 and 8,312,847.78 is: 12,463,243.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,366,414 : 18,540,652.94 = 8,312,847.78 : x
  2. Step 2: Convert to fraction form
    12,366,414/18,540,652.94 = 8,312,847.78/x
  3. Step 3: Cross multiply
    12,366,414x = 18,540,652.94 × 8,312,847.78
  4. Step 4: Simplify right side
    12,366,414x = 154,125,625,632,029.50
  5. Step 5: Solve for x
    x = 154,125,625,632,029.50/12,366,414
  6. Step 6: Final answer
    x = 12,463,243.24

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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.