Home / 21,514,020.75-29,689,349.31-11,856,228.75

Finding the Fourth Proportional to 21,514,020.75, 29,689,349.31 and 11,856,228.75

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Solution

The fourth proportional to 21,514,020.75, 29,689,349.31 and 11,856,228.75 is: 16,361,596.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,514,020.75 : 29,689,349.31 = 11,856,228.75 : x
  2. Step 2: Convert to fraction form
    21,514,020.75/29,689,349.31 = 11,856,228.75/x
  3. Step 3: Cross multiply
    21,514,020.75x = 29,689,349.31 × 11,856,228.75
  4. Step 4: Simplify right side
    21,514,020.75x = 352,003,716,858,014.62
  5. Step 5: Solve for x
    x = 352,003,716,858,014.62/21,514,020.75
  6. Step 6: Final answer
    x = 16,361,596.05

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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.