Home / 20,823,104.88-28,735,684.56-11,999,314.44

Finding the Fourth Proportional to 20,823,104.88, 28,735,684.56 and 11,999,314.44

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Solution

The fourth proportional to 20,823,104.88, 28,735,684.56 and 11,999,314.44 is: 16,558,938.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,823,104.88 : 28,735,684.56 = 11,999,314.44 : x
  2. Step 2: Convert to fraction form
    20,823,104.88/28,735,684.56 = 11,999,314.44/x
  3. Step 3: Cross multiply
    20,823,104.88x = 28,735,684.56 × 11,999,314.44
  4. Step 4: Simplify right side
    20,823,104.88x = 344,808,514,684,093
  5. Step 5: Solve for x
    x = 344,808,514,684,093/20,823,104.88
  6. Step 6: Final answer
    x = 16,558,938.58

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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.