Home / 31,514,183.90-43,492,917.30-18,472,400.33

Finding the Fourth Proportional to 31,514,183.90, 43,492,917.30 and 18,472,400.33

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Solution

The fourth proportional to 31,514,183.90, 43,492,917.30 and 18,472,400.33 is: 25,493,872.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,514,183.90 : 43,492,917.30 = 18,472,400.33 : x
  2. Step 2: Convert to fraction form
    31,514,183.90/43,492,917.30 = 18,472,400.33/x
  3. Step 3: Cross multiply
    31,514,183.90x = 43,492,917.30 × 18,472,400.33
  4. Step 4: Simplify right side
    31,514,183.90x = 803,418,579,598,446.62
  5. Step 5: Solve for x
    x = 803,418,579,598,446.62/31,514,183.90
  6. Step 6: Final answer
    x = 25,493,872.29

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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.