Home / 18,619,333.20-27,928,999.80-14,367,805.20

Finding the Fourth Proportional to 18,619,333.20, 27,928,999.80 and 14,367,805.20

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Solution

The fourth proportional to 18,619,333.20, 27,928,999.80 and 14,367,805.20 is: 21,551,707.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,619,333.20 : 27,928,999.80 = 14,367,805.20 : x
  2. Step 2: Convert to fraction form
    18,619,333.20/27,928,999.80 = 14,367,805.20/x
  3. Step 3: Cross multiply
    18,619,333.20x = 27,928,999.80 × 14,367,805.20
  4. Step 4: Simplify right side
    18,619,333.20x = 401,278,428,557,238.94
  5. Step 5: Solve for x
    x = 401,278,428,557,238.94/18,619,333.20
  6. Step 6: Final answer
    x = 21,551,707.80

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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.