Home / 8,285,086.25-12,428,072.25-2,605,753.43

Finding the Fourth Proportional to 8,285,086.25, 12,428,072.25 and 2,605,753.43

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Solution

The fourth proportional to 8,285,086.25, 12,428,072.25 and 2,605,753.43 is: 3,908,769.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,285,086.25 : 12,428,072.25 = 2,605,753.43 : x
  2. Step 2: Convert to fraction form
    8,285,086.25/12,428,072.25 = 2,605,753.43/x
  3. Step 3: Cross multiply
    8,285,086.25x = 12,428,072.25 × 2,605,753.43
  4. Step 4: Simplify right side
    8,285,086.25x = 32,384,491,880,696.55
  5. Step 5: Solve for x
    x = 32,384,491,880,696.55/8,285,086.25
  6. Step 6: Final answer
    x = 3,908,769.43

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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.