Home / 21,514,005-29,689,327.51-11,856,213

Finding the Fourth Proportional to 21,514,005, 29,689,327.51 and 11,856,213

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Solution

The fourth proportional to 21,514,005, 29,689,327.51 and 11,856,213 is: 16,361,574.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,514,005 : 29,689,327.51 = 11,856,213 : x
  2. Step 2: Convert to fraction form
    21,514,005/29,689,327.51 = 11,856,213/x
  3. Step 3: Cross multiply
    21,514,005x = 29,689,327.51 × 11,856,213
  4. Step 4: Simplify right side
    21,514,005x = 352,002,990,755,679.12
  5. Step 5: Solve for x
    x = 352,002,990,755,679.12/21,514,005
  6. Step 6: Final answer
    x = 16,361,574.27

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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.