Home / 12,175,830.52-16,794,553.62-7,830,413.80

Finding the Fourth Proportional to 12,175,830.52, 16,794,553.62 and 7,830,413.80

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Solution

The fourth proportional to 12,175,830.52, 16,794,553.62 and 7,830,413.80 is: 10,800,766.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,175,830.52 : 16,794,553.62 = 7,830,413.80 : x
  2. Step 2: Convert to fraction form
    12,175,830.52/16,794,553.62 = 7,830,413.80/x
  3. Step 3: Cross multiply
    12,175,830.52x = 16,794,553.62 × 7,830,413.80
  4. Step 4: Simplify right side
    12,175,830.52x = 131,508,304,430,887.97
  5. Step 5: Solve for x
    x = 131,508,304,430,887.97/12,175,830.52
  6. Step 6: Final answer
    x = 10,800,766.67

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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.