Home / 27,678,193.20-41,517,289.80-18,123,044.40

Finding the Fourth Proportional to 27,678,193.20, 41,517,289.80 and 18,123,044.40

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Solution

The fourth proportional to 27,678,193.20, 41,517,289.80 and 18,123,044.40 is: 27,184,566.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,678,193.20 : 41,517,289.80 = 18,123,044.40 : x
  2. Step 2: Convert to fraction form
    27,678,193.20/41,517,289.80 = 18,123,044.40/x
  3. Step 3: Cross multiply
    27,678,193.20x = 41,517,289.80 × 18,123,044.40
  4. Step 4: Simplify right side
    27,678,193.20x = 752,419,686,413,067
  5. Step 5: Solve for x
    x = 752,419,686,413,067/27,678,193.20
  6. Step 6: Final answer
    x = 27,184,566.60

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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.