Home / 18,458,268.87-25,472,678.40-10,198,521.35

Finding the Fourth Proportional to 18,458,268.87, 25,472,678.40 and 10,198,521.35

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Solution

The fourth proportional to 18,458,268.87, 25,472,678.40 and 10,198,521.35 is: 14,074,107.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,458,268.87 : 25,472,678.40 = 10,198,521.35 : x
  2. Step 2: Convert to fraction form
    18,458,268.87/25,472,678.40 = 10,198,521.35/x
  3. Step 3: Cross multiply
    18,458,268.87x = 25,472,678.40 × 10,198,521.35
  4. Step 4: Simplify right side
    18,458,268.87x = 259,783,654,376,720.44
  5. Step 5: Solve for x
    x = 259,783,654,376,720.44/18,458,268.87
  6. Step 6: Final answer
    x = 14,074,107.18

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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.