Home / 20,222,531.38-27,907,258.35-11,520,565.30

Finding the Fourth Proportional to 20,222,531.38, 27,907,258.35 and 11,520,565.30

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Solution

The fourth proportional to 20,222,531.38, 27,907,258.35 and 11,520,565.30 is: 15,898,474.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,222,531.38 : 27,907,258.35 = 11,520,565.30 : x
  2. Step 2: Convert to fraction form
    20,222,531.38/27,907,258.35 = 11,520,565.30/x
  3. Step 3: Cross multiply
    20,222,531.38x = 27,907,258.35 × 11,520,565.30
  4. Step 4: Simplify right side
    20,222,531.38x = 321,507,392,165,145.31
  5. Step 5: Solve for x
    x = 321,507,392,165,145.31/20,222,531.38
  6. Step 6: Final answer
    x = 15,898,474.14

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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.