Home / 8,143,939.73-12,213,196.97-3,284,991.31

Finding the Fourth Proportional to 8,143,939.73, 12,213,196.97 and 3,284,991.31

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Solution

The fourth proportional to 8,143,939.73, 12,213,196.97 and 3,284,991.31 is: 4,926,392.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,143,939.73 : 12,213,196.97 = 3,284,991.31 : x
  2. Step 2: Convert to fraction form
    8,143,939.73/12,213,196.97 = 3,284,991.31/x
  3. Step 3: Cross multiply
    8,143,939.73x = 12,213,196.97 × 3,284,991.31
  4. Step 4: Simplify right side
    8,143,939.73x = 40,120,245,866,810.38
  5. Step 5: Solve for x
    x = 40,120,245,866,810.38/8,143,939.73
  6. Step 6: Final answer
    x = 4,926,392.78

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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.