Home / 20,591,937.88-30,897,982.51-8,295,390.05

Finding the Fourth Proportional to 20,591,937.88, 30,897,982.51 and 8,295,390.05

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Solution

The fourth proportional to 20,591,937.88, 30,897,982.51 and 8,295,390.05 is: 12,447,144.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,591,937.88 : 30,897,982.51 = 8,295,390.05 : x
  2. Step 2: Convert to fraction form
    20,591,937.88/30,897,982.51 = 8,295,390.05/x
  3. Step 3: Cross multiply
    20,591,937.88x = 30,897,982.51 × 8,295,390.05
  4. Step 4: Simplify right side
    20,591,937.88x = 256,310,816,625,190.19
  5. Step 5: Solve for x
    x = 256,310,816,625,190.19/20,591,937.88
  6. Step 6: Final answer
    x = 12,447,144.03

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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.