Home / 18,189,413.62-27,267,981.79-6,672,231.72

Finding the Fourth Proportional to 18,189,413.62, 27,267,981.79 and 6,672,231.72

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Solution

The fourth proportional to 18,189,413.62, 27,267,981.79 and 6,672,231.72 is: 10,002,427.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,189,413.62 : 27,267,981.79 = 6,672,231.72 : x
  2. Step 2: Convert to fraction form
    18,189,413.62/27,267,981.79 = 6,672,231.72/x
  3. Step 3: Cross multiply
    18,189,413.62x = 27,267,981.79 × 6,672,231.72
  4. Step 4: Simplify right side
    18,189,413.62x = 181,938,293,091,109.78
  5. Step 5: Solve for x
    x = 181,938,293,091,109.78/18,189,413.62
  6. Step 6: Final answer
    x = 10,002,427.61

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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.