Home / 21,514,051.88-29,689,392.20-11,856,259.88

Finding the Fourth Proportional to 21,514,051.88, 29,689,392.20 and 11,856,259.88

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Solution

The fourth proportional to 21,514,051.88, 29,689,392.20 and 11,856,259.88 is: 16,361,638.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,514,051.88 : 29,689,392.20 = 11,856,259.88 : x
  2. Step 2: Convert to fraction form
    21,514,051.88/29,689,392.20 = 11,856,259.88/x
  3. Step 3: Cross multiply
    21,514,051.88x = 29,689,392.20 × 11,856,259.88
  4. Step 4: Simplify right side
    21,514,051.88x = 352,005,149,602,444.94
  5. Step 5: Solve for x
    x = 352,005,149,602,444.94/21,514,051.88
  6. Step 6: Final answer
    x = 16,361,638.97

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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.