Home / 20,137,290.60-27,789,324.58-10,969,939.56

Finding the Fourth Proportional to 20,137,290.60, 27,789,324.58 and 10,969,939.56

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Solution

The fourth proportional to 20,137,290.60, 27,789,324.58 and 10,969,939.56 is: 15,138,442.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,137,290.60 : 27,789,324.58 = 10,969,939.56 : x
  2. Step 2: Convert to fraction form
    20,137,290.60/27,789,324.58 = 10,969,939.56/x
  3. Step 3: Cross multiply
    20,137,290.60x = 27,789,324.58 × 10,969,939.56
  4. Step 4: Simplify right side
    20,137,290.60x = 304,847,211,055,822.38
  5. Step 5: Solve for x
    x = 304,847,211,055,822.38/20,137,290.60
  6. Step 6: Final answer
    x = 15,138,442.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.