Home / 8,279,060.60-11,425,086.78-4,657,388.60

Finding the Fourth Proportional to 8,279,060.60, 11,425,086.78 and 4,657,388.60

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Solution

The fourth proportional to 8,279,060.60, 11,425,086.78 and 4,657,388.60 is: 6,427,186.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,279,060.60 : 11,425,086.78 = 4,657,388.60 : x
  2. Step 2: Convert to fraction form
    8,279,060.60/11,425,086.78 = 4,657,388.60/x
  3. Step 3: Cross multiply
    8,279,060.60x = 11,425,086.78 × 4,657,388.60
  4. Step 4: Simplify right side
    8,279,060.60x = 53,211,068,923,182.70
  5. Step 5: Solve for x
    x = 53,211,068,923,182.70/8,279,060.60
  6. Step 6: Final answer
    x = 6,427,186.79

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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.