Home / 19,206,122.64-28,777,198.56-13,514,389.20

Finding the Fourth Proportional to 19,206,122.64, 28,777,198.56 and 13,514,389.20

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Solution

The fourth proportional to 19,206,122.64, 28,777,198.56 and 13,514,389.20 is: 20,249,077.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,206,122.64 : 28,777,198.56 = 13,514,389.20 : x
  2. Step 2: Convert to fraction form
    19,206,122.64/28,777,198.56 = 13,514,389.20/x
  3. Step 3: Cross multiply
    19,206,122.64x = 28,777,198.56 × 13,514,389.20
  4. Step 4: Simplify right side
    19,206,122.64x = 388,906,261,425,519.50
  5. Step 5: Solve for x
    x = 388,906,261,425,519.50/19,206,122.64
  6. Step 6: Final answer
    x = 20,249,077.27

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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.