Home / 21,650,231.22-29,877,316.61-12,948,402.44

Finding the Fourth Proportional to 21,650,231.22, 29,877,316.61 and 12,948,402.44

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Solution

The fourth proportional to 21,650,231.22, 29,877,316.61 and 12,948,402.44 is: 17,868,793.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,650,231.22 : 29,877,316.61 = 12,948,402.44 : x
  2. Step 2: Convert to fraction form
    21,650,231.22/29,877,316.61 = 12,948,402.44/x
  3. Step 3: Cross multiply
    21,650,231.22x = 29,877,316.61 × 12,948,402.44
  4. Step 4: Simplify right side
    21,650,231.22x = 386,863,519,079,447.94
  5. Step 5: Solve for x
    x = 386,863,519,079,447.94/21,650,231.22
  6. Step 6: Final answer
    x = 17,868,793.88

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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.