Home / 21,514,022.50-29,689,351.74-11,856,230.50

Finding the Fourth Proportional to 21,514,022.50, 29,689,351.74 and 11,856,230.50

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Solution

The fourth proportional to 21,514,022.50, 29,689,351.74 and 11,856,230.50 is: 16,361,598.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,514,022.50 : 29,689,351.74 = 11,856,230.50 : x
  2. Step 2: Convert to fraction form
    21,514,022.50/29,689,351.74 = 11,856,230.50/x
  3. Step 3: Cross multiply
    21,514,022.50x = 29,689,351.74 × 11,856,230.50
  4. Step 4: Simplify right side
    21,514,022.50x = 352,003,797,625,016.06
  5. Step 5: Solve for x
    x = 352,003,797,625,016.06/21,514,022.50
  6. Step 6: Final answer
    x = 16,361,598.47

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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.