Home / 10,128,735.19-15,195,519.75-3,305,321.04

Finding the Fourth Proportional to 10,128,735.19, 15,195,519.75 and 3,305,321.04

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Solution

The fourth proportional to 10,128,735.19, 15,195,519.75 and 3,305,321.04 is: 4,958,770.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,128,735.19 : 15,195,519.75 = 3,305,321.04 : x
  2. Step 2: Convert to fraction form
    10,128,735.19/15,195,519.75 = 3,305,321.04/x
  3. Step 3: Cross multiply
    10,128,735.19x = 15,195,519.75 × 3,305,321.04
  4. Step 4: Simplify right side
    10,128,735.19x = 50,226,071,143,410.54
  5. Step 5: Solve for x
    x = 50,226,071,143,410.54/10,128,735.19
  6. Step 6: Final answer
    x = 4,958,770.29

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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.