Home / 21,514,105.05-32,280,687.43-11,276,531.86

Finding the Fourth Proportional to 21,514,105.05, 32,280,687.43 and 11,276,531.86

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Solution

The fourth proportional to 21,514,105.05, 32,280,687.43 and 11,276,531.86 is: 16,919,792.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,514,105.05 : 32,280,687.43 = 11,276,531.86 : x
  2. Step 2: Convert to fraction form
    21,514,105.05/32,280,687.43 = 11,276,531.86/x
  3. Step 3: Cross multiply
    21,514,105.05x = 32,280,687.43 × 11,276,531.86
  4. Step 4: Simplify right side
    21,514,105.05x = 364,014,200,158,203.44
  5. Step 5: Solve for x
    x = 364,014,200,158,203.44/21,514,105.05
  6. Step 6: Final answer
    x = 16,919,792.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.