Home / 7,912,761.76-11,868,785.97-3,299,848.39

Finding the Fourth Proportional to 7,912,761.76, 11,868,785.97 and 3,299,848.39

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Solution

The fourth proportional to 7,912,761.76, 11,868,785.97 and 3,299,848.39 is: 4,949,623.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,912,761.76 : 11,868,785.97 = 3,299,848.39 : x
  2. Step 2: Convert to fraction form
    7,912,761.76/11,868,785.97 = 3,299,848.39/x
  3. Step 3: Cross multiply
    7,912,761.76x = 11,868,785.97 × 3,299,848.39
  4. Step 4: Simplify right side
    7,912,761.76x = 39,165,194,274,359.09
  5. Step 5: Solve for x
    x = 39,165,194,274,359.09/7,912,761.76
  6. Step 6: Final answer
    x = 4,949,623.84

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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.