Home / 10,128,732.19-15,195,515.25-3,305,318.04

Finding the Fourth Proportional to 10,128,732.19, 15,195,515.25 and 3,305,318.04

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Solution

The fourth proportional to 10,128,732.19, 15,195,515.25 and 3,305,318.04 is: 4,958,765.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,128,732.19 : 15,195,515.25 = 3,305,318.04 : x
  2. Step 2: Convert to fraction form
    10,128,732.19/15,195,515.25 = 3,305,318.04/x
  3. Step 3: Cross multiply
    10,128,732.19x = 15,195,515.25 × 3,305,318.04
  4. Step 4: Simplify right side
    10,128,732.19x = 50,226,010,682,920.11
  5. Step 5: Solve for x
    x = 50,226,010,682,920.11/10,128,732.19
  6. Step 6: Final answer
    x = 4,958,765.79

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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.