Home / 21,290,049.88-31,934,616.54-5,936,930.92

Finding the Fourth Proportional to 21,290,049.88, 31,934,616.54 and 5,936,930.92

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Solution

The fourth proportional to 21,290,049.88, 31,934,616.54 and 5,936,930.92 is: 8,905,268.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,290,049.88 : 31,934,616.54 = 5,936,930.92 : x
  2. Step 2: Convert to fraction form
    21,290,049.88/31,934,616.54 = 5,936,930.92/x
  3. Step 3: Cross multiply
    21,290,049.88x = 31,934,616.54 × 5,936,930.92
  4. Step 4: Simplify right side
    21,290,049.88x = 189,593,612,354,669.41
  5. Step 5: Solve for x
    x = 189,593,612,354,669.41/21,290,049.88
  6. Step 6: Final answer
    x = 8,905,268.58

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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.