Home / 6,680,709.80-10,021,064.70-3,321,477.80

Finding the Fourth Proportional to 6,680,709.80, 10,021,064.70 and 3,321,477.80

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Solution

The fourth proportional to 6,680,709.80, 10,021,064.70 and 3,321,477.80 is: 4,982,216.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,680,709.80 : 10,021,064.70 = 3,321,477.80 : x
  2. Step 2: Convert to fraction form
    6,680,709.80/10,021,064.70 = 3,321,477.80/x
  3. Step 3: Cross multiply
    6,680,709.80x = 10,021,064.70 × 3,321,477.80
  4. Step 4: Simplify right side
    6,680,709.80x = 33,284,743,933,413.66
  5. Step 5: Solve for x
    x = 33,284,743,933,413.66/6,680,709.80
  6. Step 6: Final answer
    x = 4,982,216.70

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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.