Home / 20,361,067.04-28,098,455.22-11,068,654.97

Finding the Fourth Proportional to 20,361,067.04, 28,098,455.22 and 11,068,654.97

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Solution

The fourth proportional to 20,361,067.04, 28,098,455.22 and 11,068,654.97 is: 15,274,843.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,361,067.04 : 28,098,455.22 = 11,068,654.97 : x
  2. Step 2: Convert to fraction form
    20,361,067.04/28,098,455.22 = 11,068,654.97/x
  3. Step 3: Cross multiply
    20,361,067.04x = 28,098,455.22 × 11,068,654.97
  4. Step 4: Simplify right side
    20,361,067.04x = 311,012,105,879,683.12
  5. Step 5: Solve for x
    x = 311,012,105,879,683.12/20,361,067.04
  6. Step 6: Final answer
    x = 15,274,843.18

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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.