Home / 21,514,051.38-29,689,391.51-11,856,259.38

Finding the Fourth Proportional to 21,514,051.38, 29,689,391.51 and 11,856,259.38

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Solution

The fourth proportional to 21,514,051.38, 29,689,391.51 and 11,856,259.38 is: 16,361,638.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,514,051.38 : 29,689,391.51 = 11,856,259.38 : x
  2. Step 2: Convert to fraction form
    21,514,051.38/29,689,391.51 = 11,856,259.38/x
  3. Step 3: Cross multiply
    21,514,051.38x = 29,689,391.51 × 11,856,259.38
  4. Step 4: Simplify right side
    21,514,051.38x = 352,005,126,369,201.62
  5. Step 5: Solve for x
    x = 352,005,126,369,201.62/21,514,051.38
  6. Step 6: Final answer
    x = 16,361,638.27

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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.