Home / 20,494,500.30-30,741,750.45-5,348,431.80

Finding the Fourth Proportional to 20,494,500.30, 30,741,750.45 and 5,348,431.80

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Solution

The fourth proportional to 20,494,500.30, 30,741,750.45 and 5,348,431.80 is: 8,022,647.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,494,500.30 : 30,741,750.45 = 5,348,431.80 : x
  2. Step 2: Convert to fraction form
    20,494,500.30/30,741,750.45 = 5,348,431.80/x
  3. Step 3: Cross multiply
    20,494,500.30x = 30,741,750.45 × 5,348,431.80
  4. Step 4: Simplify right side
    20,494,500.30x = 164,420,155,694,444.31
  5. Step 5: Solve for x
    x = 164,420,155,694,444.31/20,494,500.30
  6. Step 6: Final answer
    x = 8,022,647.70

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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.