Home / 18,741,175.20-28,090,767.60-10,658,023.20

Finding the Fourth Proportional to 18,741,175.20, 28,090,767.60 and 10,658,023.20

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Solution

The fourth proportional to 18,741,175.20, 28,090,767.60 and 10,658,023.20 is: 15,975,094.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,741,175.20 : 28,090,767.60 = 10,658,023.20 : x
  2. Step 2: Convert to fraction form
    18,741,175.20/28,090,767.60 = 10,658,023.20/x
  3. Step 3: Cross multiply
    18,741,175.20x = 28,090,767.60 × 10,658,023.20
  4. Step 4: Simplify right side
    18,741,175.20x = 299,392,052,786,608.31
  5. Step 5: Solve for x
    x = 299,392,052,786,608.31/18,741,175.20
  6. Step 6: Final answer
    x = 15,975,094.92

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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.