Home / 18,112,676.72-27,181,612.19-11,707,041.20

Finding the Fourth Proportional to 18,112,676.72, 27,181,612.19 and 11,707,041.20

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Solution

The fourth proportional to 18,112,676.72, 27,181,612.19 and 11,707,041.20 is: 17,568,703.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,112,676.72 : 27,181,612.19 = 11,707,041.20 : x
  2. Step 2: Convert to fraction form
    18,112,676.72/27,181,612.19 = 11,707,041.20/x
  3. Step 3: Cross multiply
    18,112,676.72x = 27,181,612.19 × 11,707,041.20
  4. Step 4: Simplify right side
    18,112,676.72x = 318,216,253,596,308.94
  5. Step 5: Solve for x
    x = 318,216,253,596,308.94/18,112,676.72
  6. Step 6: Final answer
    x = 17,568,703.88

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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.