Home / 19,719,107.20-27,209,662.86-11,016,198.28

Finding the Fourth Proportional to 19,719,107.20, 27,209,662.86 and 11,016,198.28

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Solution

The fourth proportional to 19,719,107.20, 27,209,662.86 and 11,016,198.28 is: 15,200,842.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,719,107.20 : 27,209,662.86 = 11,016,198.28 : x
  2. Step 2: Convert to fraction form
    19,719,107.20/27,209,662.86 = 11,016,198.28/x
  3. Step 3: Cross multiply
    19,719,107.20x = 27,209,662.86 × 11,016,198.28
  4. Step 4: Simplify right side
    19,719,107.20x = 299,747,041,197,711.88
  5. Step 5: Solve for x
    x = 299,747,041,197,711.88/19,719,107.20
  6. Step 6: Final answer
    x = 15,200,842.42

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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.