Home / 20,222,643.75-27,907,346.79-11,055,286.50

Finding the Fourth Proportional to 20,222,643.75, 27,907,346.79 and 11,055,286.50

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Solution

The fourth proportional to 20,222,643.75, 27,907,346.79 and 11,055,286.50 is: 15,256,349.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,222,643.75 : 27,907,346.79 = 11,055,286.50 : x
  2. Step 2: Convert to fraction form
    20,222,643.75/27,907,346.79 = 11,055,286.50/x
  3. Step 3: Cross multiply
    20,222,643.75x = 27,907,346.79 × 11,055,286.50
  4. Step 4: Simplify right side
    20,222,643.75x = 308,523,714,218,305.31
  5. Step 5: Solve for x
    x = 308,523,714,218,305.31/20,222,643.75
  6. Step 6: Final answer
    x = 15,256,349.17

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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.