Home / 47,847,634.20-71,788,040.10-20,940,600.60

Finding the Fourth Proportional to 47,847,634.20, 71,788,040.10 and 20,940,600.60

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Solution

The fourth proportional to 47,847,634.20, 71,788,040.10 and 20,940,600.60 is: 31,418,161.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,847,634.20 : 71,788,040.10 = 20,940,600.60 : x
  2. Step 2: Convert to fraction form
    47,847,634.20/71,788,040.10 = 20,940,600.60/x
  3. Step 3: Cross multiply
    47,847,634.20x = 71,788,040.10 × 20,940,600.60
  4. Step 4: Simplify right side
    47,847,634.20x = 1,503,284,675,590,884
  5. Step 5: Solve for x
    x = 1,503,284,675,590,884/47,847,634.20
  6. Step 6: Final answer
    x = 31,418,161.02

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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.