Home / 21,101,163.84-31,650,793.88-8,800,061.04

Finding the Fourth Proportional to 21,101,163.84, 31,650,793.88 and 8,800,061.04

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Solution

The fourth proportional to 21,101,163.84, 31,650,793.88 and 8,800,061.04 is: 13,199,694.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,101,163.84 : 31,650,793.88 = 8,800,061.04 : x
  2. Step 2: Convert to fraction form
    21,101,163.84/31,650,793.88 = 8,800,061.04/x
  3. Step 3: Cross multiply
    21,101,163.84x = 31,650,793.88 × 8,800,061.04
  4. Step 4: Simplify right side
    21,101,163.84x = 278,528,918,108,458.41
  5. Step 5: Solve for x
    x = 278,528,918,108,458.41/21,101,163.84
  6. Step 6: Final answer
    x = 13,199,694.59

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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.