Home / 20,494,525.20-30,741,787.80-5,348,456.70

Finding the Fourth Proportional to 20,494,525.20, 30,741,787.80 and 5,348,456.70

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Solution

The fourth proportional to 20,494,525.20, 30,741,787.80 and 5,348,456.70 is: 8,022,685.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,494,525.20 : 30,741,787.80 = 5,348,456.70 : x
  2. Step 2: Convert to fraction form
    20,494,525.20/30,741,787.80 = 5,348,456.70/x
  3. Step 3: Cross multiply
    20,494,525.20x = 30,741,787.80 × 5,348,456.70
  4. Step 4: Simplify right side
    20,494,525.20x = 164,421,120,928,888.28
  5. Step 5: Solve for x
    x = 164,421,120,928,888.28/20,494,525.20
  6. Step 6: Final answer
    x = 8,022,685.05

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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.