Home / 21,514,334.40-29,689,781.04-11,856,542.40

Finding the Fourth Proportional to 21,514,334.40, 29,689,781.04 and 11,856,542.40

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Solution

The fourth proportional to 21,514,334.40, 29,689,781.04 and 11,856,542.40 is: 16,362,028.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,514,334.40 : 29,689,781.04 = 11,856,542.40 : x
  2. Step 2: Convert to fraction form
    21,514,334.40/29,689,781.04 = 11,856,542.40/x
  3. Step 3: Cross multiply
    21,514,334.40x = 29,689,781.04 × 11,856,542.40
  4. Step 4: Simplify right side
    21,514,334.40x = 352,018,147,747,476.12
  5. Step 5: Solve for x
    x = 352,018,147,747,476.12/21,514,334.40
  6. Step 6: Final answer
    x = 16,362,028.27

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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.