Home / 11,585,391.20-17,378,086.80-8,383,752.80

Finding the Fourth Proportional to 11,585,391.20, 17,378,086.80 and 8,383,752.80

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Solution

The fourth proportional to 11,585,391.20, 17,378,086.80 and 8,383,752.80 is: 12,575,629.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,585,391.20 : 17,378,086.80 = 8,383,752.80 : x
  2. Step 2: Convert to fraction form
    11,585,391.20/17,378,086.80 = 8,383,752.80/x
  3. Step 3: Cross multiply
    11,585,391.20x = 17,378,086.80 × 8,383,752.80
  4. Step 4: Simplify right side
    11,585,391.20x = 145,693,583,868,143.03
  5. Step 5: Solve for x
    x = 145,693,583,868,143.03/11,585,391.20
  6. Step 6: Final answer
    x = 12,575,629.20

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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.