Home / 8,738,861.75-12,064,796.55-7,769,309.48

Finding the Fourth Proportional to 8,738,861.75, 12,064,796.55 and 7,769,309.48

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Solution

The fourth proportional to 8,738,861.75, 12,064,796.55 and 7,769,309.48 is: 10,726,241.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,738,861.75 : 12,064,796.55 = 7,769,309.48 : x
  2. Step 2: Convert to fraction form
    8,738,861.75/12,064,796.55 = 7,769,309.48/x
  3. Step 3: Cross multiply
    8,738,861.75x = 12,064,796.55 × 7,769,309.48
  4. Step 4: Simplify right side
    8,738,861.75x = 93,735,138,195,105.30
  5. Step 5: Solve for x
    x = 93,735,138,195,105.30/8,738,861.75
  6. Step 6: Final answer
    x = 10,726,241.12

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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.