Home / 8,171,763.50-12,257,612.19-2,491,971.38

Finding the Fourth Proportional to 8,171,763.50, 12,257,612.19 and 2,491,971.38

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Solution

The fourth proportional to 8,171,763.50, 12,257,612.19 and 2,491,971.38 is: 3,737,946.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,171,763.50 : 12,257,612.19 = 2,491,971.38 : x
  2. Step 2: Convert to fraction form
    8,171,763.50/12,257,612.19 = 2,491,971.38/x
  3. Step 3: Cross multiply
    8,171,763.50x = 12,257,612.19 × 2,491,971.38
  4. Step 4: Simplify right side
    8,171,763.50x = 30,545,618,764,619.12
  5. Step 5: Solve for x
    x = 30,545,618,764,619.12/8,171,763.50
  6. Step 6: Final answer
    x = 3,737,946.99

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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.