Home / 13,668,884.10-20,489,329.35-7,986,183.30

Finding the Fourth Proportional to 13,668,884.10, 20,489,329.35 and 7,986,183.30

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Solution

The fourth proportional to 13,668,884.10, 20,489,329.35 and 7,986,183.30 is: 11,971,097.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,668,884.10 : 20,489,329.35 = 7,986,183.30 : x
  2. Step 2: Convert to fraction form
    13,668,884.10/20,489,329.35 = 7,986,183.30/x
  3. Step 3: Cross multiply
    13,668,884.10x = 20,489,329.35 × 7,986,183.30
  4. Step 4: Simplify right side
    13,668,884.10x = 163,631,539,883,169.88
  5. Step 5: Solve for x
    x = 163,631,539,883,169.88/13,668,884.10
  6. Step 6: Final answer
    x = 11,971,097.18

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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.