Home / 6,865,781.20-9,475,221.82-3,809,995.44

Finding the Fourth Proportional to 6,865,781.20, 9,475,221.82 and 3,809,995.44

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Solution

The fourth proportional to 6,865,781.20, 9,475,221.82 and 3,809,995.44 is: 5,258,039.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,865,781.20 : 9,475,221.82 = 3,809,995.44 : x
  2. Step 2: Convert to fraction form
    6,865,781.20/9,475,221.82 = 3,809,995.44/x
  3. Step 3: Cross multiply
    6,865,781.20x = 9,475,221.82 × 3,809,995.44
  4. Step 4: Simplify right side
    6,865,781.20x = 36,100,551,927,188.50
  5. Step 5: Solve for x
    x = 36,100,551,927,188.50/6,865,781.20
  6. Step 6: Final answer
    x = 5,258,039.96

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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.