Home / 8,670,413.40-12,991,623.30-5,469,811.80

Finding the Fourth Proportional to 8,670,413.40, 12,991,623.30 and 5,469,811.80

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Solution

The fourth proportional to 8,670,413.40, 12,991,623.30 and 5,469,811.80 is: 8,195,887.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,670,413.40 : 12,991,623.30 = 5,469,811.80 : x
  2. Step 2: Convert to fraction form
    8,670,413.40/12,991,623.30 = 5,469,811.80/x
  3. Step 3: Cross multiply
    8,670,413.40x = 12,991,623.30 × 5,469,811.80
  4. Step 4: Simplify right side
    8,670,413.40x = 71,061,734,427,494.94
  5. Step 5: Solve for x
    x = 71,061,734,427,494.94/8,670,413.40
  6. Step 6: Final answer
    x = 8,195,887.69

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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.