Home / 19,659,426.39-27,129,546.09-11,400,964.47

Finding the Fourth Proportional to 19,659,426.39, 27,129,546.09 and 11,400,964.47

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Solution

The fourth proportional to 19,659,426.39, 27,129,546.09 and 11,400,964.47 is: 15,733,062.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,659,426.39 : 27,129,546.09 = 11,400,964.47 : x
  2. Step 2: Convert to fraction form
    19,659,426.39/27,129,546.09 = 11,400,964.47/x
  3. Step 3: Cross multiply
    19,659,426.39x = 27,129,546.09 × 11,400,964.47
  4. Step 4: Simplify right side
    19,659,426.39x = 309,302,991,059,317.44
  5. Step 5: Solve for x
    x = 309,302,991,059,317.44/19,659,426.39
  6. Step 6: Final answer
    x = 15,733,062.85

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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.