Home / 7,738,679.36-11,608,279.20-3,478,861.76

Finding the Fourth Proportional to 7,738,679.36, 11,608,279.20 and 3,478,861.76

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Solution

The fourth proportional to 7,738,679.36, 11,608,279.20 and 3,478,861.76 is: 5,218,409.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,738,679.36 : 11,608,279.20 = 3,478,861.76 : x
  2. Step 2: Convert to fraction form
    7,738,679.36/11,608,279.20 = 3,478,861.76/x
  3. Step 3: Cross multiply
    7,738,679.36x = 11,608,279.20 × 3,478,861.76
  4. Step 4: Simplify right side
    7,738,679.36x = 40,383,598,608,283.39
  5. Step 5: Solve for x
    x = 40,383,598,608,283.39/7,738,679.36
  6. Step 6: Final answer
    x = 5,218,409.59

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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.