Home / 7,912,758.49-11,868,781.05-3,299,845.12

Finding the Fourth Proportional to 7,912,758.49, 11,868,781.05 and 3,299,845.12

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Solution

The fourth proportional to 7,912,758.49, 11,868,781.05 and 3,299,845.12 is: 4,949,618.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,912,758.49 : 11,868,781.05 = 3,299,845.12 : x
  2. Step 2: Convert to fraction form
    7,912,758.49/11,868,781.05 = 3,299,845.12/x
  3. Step 3: Cross multiply
    7,912,758.49x = 11,868,781.05 × 3,299,845.12
  4. Step 4: Simplify right side
    7,912,758.49x = 39,165,139,228,190.98
  5. Step 5: Solve for x
    x = 39,165,139,228,190.98/7,912,758.49
  6. Step 6: Final answer
    x = 4,949,618.93

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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.