Home / 18,145,109.70-27,217,664.55-8,067,413.70

Finding the Fourth Proportional to 18,145,109.70, 27,217,664.55 and 8,067,413.70

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Solution

The fourth proportional to 18,145,109.70, 27,217,664.55 and 8,067,413.70 is: 12,101,120.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145,109.70 : 27,217,664.55 = 8,067,413.70 : x
  2. Step 2: Convert to fraction form
    18,145,109.70/27,217,664.55 = 8,067,413.70/x
  3. Step 3: Cross multiply
    18,145,109.70x = 27,217,664.55 × 8,067,413.70
  4. Step 4: Simplify right side
    18,145,109.70x = 219,576,159,872,674.34
  5. Step 5: Solve for x
    x = 219,576,159,872,674.34/18,145,109.70
  6. Step 6: Final answer
    x = 12,101,120.55

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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.