Home / 20,033,515.60-27,645,980.22-11,212,964.25

Finding the Fourth Proportional to 20,033,515.60, 27,645,980.22 and 11,212,964.25

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Solution

The fourth proportional to 20,033,515.60, 27,645,980.22 and 11,212,964.25 is: 15,473,738.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,033,515.60 : 27,645,980.22 = 11,212,964.25 : x
  2. Step 2: Convert to fraction form
    20,033,515.60/27,645,980.22 = 11,212,964.25/x
  3. Step 3: Cross multiply
    20,033,515.60x = 27,645,980.22 × 11,212,964.25
  4. Step 4: Simplify right side
    20,033,515.60x = 309,993,387,863,067.12
  5. Step 5: Solve for x
    x = 309,993,387,863,067.12/20,033,515.60
  6. Step 6: Final answer
    x = 15,473,738.81

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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.