Home / 10,120,021.26-15,175,856.87-3,887,182.47

Finding the Fourth Proportional to 10,120,021.26, 15,175,856.87 and 3,887,182.47

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Solution

The fourth proportional to 10,120,021.26, 15,175,856.87 and 3,887,182.47 is: 5,829,170.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,120,021.26 : 15,175,856.87 = 3,887,182.47 : x
  2. Step 2: Convert to fraction form
    10,120,021.26/15,175,856.87 = 3,887,182.47/x
  3. Step 3: Cross multiply
    10,120,021.26x = 15,175,856.87 × 3,887,182.47
  4. Step 4: Simplify right side
    10,120,021.26x = 58,991,324,792,293.07
  5. Step 5: Solve for x
    x = 58,991,324,792,293.07/10,120,021.26
  6. Step 6: Final answer
    x = 5,829,170.05

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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.