Home / 12,679,805.25-17,498,131.25-7,247,413.89

Finding the Fourth Proportional to 12,679,805.25, 17,498,131.25 and 7,247,413.89

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Solution

The fourth proportional to 12,679,805.25, 17,498,131.25 and 7,247,413.89 is: 10,001,431.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,679,805.25 : 17,498,131.25 = 7,247,413.89 : x
  2. Step 2: Convert to fraction form
    12,679,805.25/17,498,131.25 = 7,247,413.89/x
  3. Step 3: Cross multiply
    12,679,805.25x = 17,498,131.25 × 7,247,413.89
  4. Step 4: Simplify right side
    12,679,805.25x = 126,816,199,434,056
  5. Step 5: Solve for x
    x = 126,816,199,434,056/12,679,805.25
  6. Step 6: Final answer
    x = 10,001,431.17

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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.