Home / 13,679,621.52-20,568,652.04-12,613,180.56

Finding the Fourth Proportional to 13,679,621.52, 20,568,652.04 and 12,613,180.56

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Solution

The fourth proportional to 13,679,621.52, 20,568,652.04 and 12,613,180.56 is: 18,965,153.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,679,621.52 : 20,568,652.04 = 12,613,180.56 : x
  2. Step 2: Convert to fraction form
    13,679,621.52/20,568,652.04 = 12,613,180.56/x
  3. Step 3: Cross multiply
    13,679,621.52x = 20,568,652.04 × 12,613,180.56
  4. Step 4: Simplify right side
    13,679,621.52x = 259,436,122,056,332.34
  5. Step 5: Solve for x
    x = 259,436,122,056,332.34/13,679,621.52
  6. Step 6: Final answer
    x = 18,965,153.51

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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.