Home / 15,081,183.85-20,814,168.41-8,556,429.73

Finding the Fourth Proportional to 15,081,183.85, 20,814,168.41 and 8,556,429.73

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Solution

The fourth proportional to 15,081,183.85, 20,814,168.41 and 8,556,429.73 is: 11,809,084.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,081,183.85 : 20,814,168.41 = 8,556,429.73 : x
  2. Step 2: Convert to fraction form
    15,081,183.85/20,814,168.41 = 8,556,429.73/x
  3. Step 3: Cross multiply
    15,081,183.85x = 20,814,168.41 × 8,556,429.73
  4. Step 4: Simplify right side
    15,081,183.85x = 178,094,969,305,871.06
  5. Step 5: Solve for x
    x = 178,094,969,305,871.06/15,081,183.85
  6. Step 6: Final answer
    x = 11,809,084.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.