Home / 11,718,144.23-16,171,168.37-6,491,232.45

Finding the Fourth Proportional to 11,718,144.23, 16,171,168.37 and 6,491,232.45

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Solution

The fourth proportional to 11,718,144.23, 16,171,168.37 and 6,491,232.45 is: 8,957,972.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,718,144.23 : 16,171,168.37 = 6,491,232.45 : x
  2. Step 2: Convert to fraction form
    11,718,144.23/16,171,168.37 = 6,491,232.45/x
  3. Step 3: Cross multiply
    11,718,144.23x = 16,171,168.37 × 6,491,232.45
  4. Step 4: Simplify right side
    11,718,144.23x = 104,970,812,877,757.61
  5. Step 5: Solve for x
    x = 104,970,812,877,757.61/11,718,144.23
  6. Step 6: Final answer
    x = 8,957,972.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.