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Finding the Fourth Proportional to 18,961,004.26, 26,163,380.46 and 11,514,794.14

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Solution

The fourth proportional to 18,961,004.26, 26,163,380.46 and 11,514,794.14 is: 15,888,712.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,961,004.26 : 26,163,380.46 = 11,514,794.14 : x
  2. Step 2: Convert to fraction form
    18,961,004.26/26,163,380.46 = 11,514,794.14/x
  3. Step 3: Cross multiply
    18,961,004.26x = 26,163,380.46 × 11,514,794.14
  4. Step 4: Simplify right side
    18,961,004.26x = 301,265,940,003,398.50
  5. Step 5: Solve for x
    x = 301,265,940,003,398.50/18,961,004.26
  6. Step 6: Final answer
    x = 15,888,712.22

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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.