Home / 18,613,237.20-27,942,600.60-10,531,834.80

Finding the Fourth Proportional to 18,613,237.20, 27,942,600.60 and 10,531,834.80

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Solution

The fourth proportional to 18,613,237.20, 27,942,600.60 and 10,531,834.80 is: 15,810,621.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,613,237.20 : 27,942,600.60 = 10,531,834.80 : x
  2. Step 2: Convert to fraction form
    18,613,237.20/27,942,600.60 = 10,531,834.80/x
  3. Step 3: Cross multiply
    18,613,237.20x = 27,942,600.60 × 10,531,834.80
  4. Step 4: Simplify right side
    18,613,237.20x = 294,286,853,401,580.94
  5. Step 5: Solve for x
    x = 294,286,853,401,580.94/18,613,237.20
  6. Step 6: Final answer
    x = 15,810,621.78

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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.