Home / 11,591,131.20-17,385,919.20-3,071,284.80

Finding the Fourth Proportional to 11,591,131.20, 17,385,919.20 and 3,071,284.80

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Solution

The fourth proportional to 11,591,131.20, 17,385,919.20 and 3,071,284.80 is: 4,606,721.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,591,131.20 : 17,385,919.20 = 3,071,284.80 : x
  2. Step 2: Convert to fraction form
    11,591,131.20/17,385,919.20 = 3,071,284.80/x
  3. Step 3: Cross multiply
    11,591,131.20x = 17,385,919.20 × 3,071,284.80
  4. Step 4: Simplify right side
    11,591,131.20x = 53,397,109,372,988.16
  5. Step 5: Solve for x
    x = 53,397,109,372,988.16/11,591,131.20
  6. Step 6: Final answer
    x = 4,606,721.16

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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.