Home / 12,617,997.52-18,966,508.28-8,327,621.56

Finding the Fourth Proportional to 12,617,997.52, 18,966,508.28 and 8,327,621.56

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Solution

The fourth proportional to 12,617,997.52, 18,966,508.28 and 8,327,621.56 is: 12,517,509.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,617,997.52 : 18,966,508.28 = 8,327,621.56 : x
  2. Step 2: Convert to fraction form
    12,617,997.52/18,966,508.28 = 8,327,621.56/x
  3. Step 3: Cross multiply
    12,617,997.52x = 18,966,508.28 × 8,327,621.56
  4. Step 4: Simplify right side
    12,617,997.52x = 157,945,903,270,446.53
  5. Step 5: Solve for x
    x = 157,945,903,270,446.53/12,617,997.52
  6. Step 6: Final answer
    x = 12,517,509.46

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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.