Home / 19,309,287.28-28,975,891.92-11,226,067.24

Finding the Fourth Proportional to 19,309,287.28, 28,975,891.92 and 11,226,067.24

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Solution

The fourth proportional to 19,309,287.28, 28,975,891.92 and 11,226,067.24 is: 16,846,054.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,309,287.28 : 28,975,891.92 = 11,226,067.24 : x
  2. Step 2: Convert to fraction form
    19,309,287.28/28,975,891.92 = 11,226,067.24/x
  3. Step 3: Cross multiply
    19,309,287.28x = 28,975,891.92 × 11,226,067.24
  4. Step 4: Simplify right side
    19,309,287.28x = 325,285,311,032,892.75
  5. Step 5: Solve for x
    x = 325,285,311,032,892.75/19,309,287.28
  6. Step 6: Final answer
    x = 16,846,054.77

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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.