Home / 13,474,996.20-20,212,494.30-3,890,687.40

Finding the Fourth Proportional to 13,474,996.20, 20,212,494.30 and 3,890,687.40

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Solution

The fourth proportional to 13,474,996.20, 20,212,494.30 and 3,890,687.40 is: 5,836,031.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,474,996.20 : 20,212,494.30 = 3,890,687.40 : x
  2. Step 2: Convert to fraction form
    13,474,996.20/20,212,494.30 = 3,890,687.40/x
  3. Step 3: Cross multiply
    13,474,996.20x = 20,212,494.30 × 3,890,687.40
  4. Step 4: Simplify right side
    13,474,996.20x = 78,640,496,895,581.83
  5. Step 5: Solve for x
    x = 78,640,496,895,581.83/13,474,996.20
  6. Step 6: Final answer
    x = 5,836,031.10

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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.