Home / 7,867,413.08-11,802,380.73-3,319,131.83

Finding the Fourth Proportional to 7,867,413.08, 11,802,380.73 and 3,319,131.83

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Solution

The fourth proportional to 7,867,413.08, 11,802,380.73 and 3,319,131.83 is: 4,979,229.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,867,413.08 : 11,802,380.73 = 3,319,131.83 : x
  2. Step 2: Convert to fraction form
    7,867,413.08/11,802,380.73 = 3,319,131.83/x
  3. Step 3: Cross multiply
    7,867,413.08x = 11,802,380.73 × 3,319,131.83
  4. Step 4: Simplify right side
    7,867,413.08x = 39,173,657,491,709.73
  5. Step 5: Solve for x
    x = 39,173,657,491,709.73/7,867,413.08
  6. Step 6: Final answer
    x = 4,979,229.78

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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.