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Finding the Fourth Proportional to 18,594,286.83, 27,891,929.34 and 5,814,791.55

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Solution

The fourth proportional to 18,594,286.83, 27,891,929.34 and 5,814,791.55 is: 8,722,343.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,594,286.83 : 27,891,929.34 = 5,814,791.55 : x
  2. Step 2: Convert to fraction form
    18,594,286.83/27,891,929.34 = 5,814,791.55/x
  3. Step 3: Cross multiply
    18,594,286.83x = 27,891,929.34 × 5,814,791.55
  4. Step 4: Simplify right side
    18,594,286.83x = 162,185,755,039,429.06
  5. Step 5: Solve for x
    x = 162,185,755,039,429.06/18,594,286.83
  6. Step 6: Final answer
    x = 8,722,343.40

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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.