Home / 8,244,634.40-12,366,951.60-6,921,936.80

Finding the Fourth Proportional to 8,244,634.40, 12,366,951.60 and 6,921,936.80

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Solution

The fourth proportional to 8,244,634.40, 12,366,951.60 and 6,921,936.80 is: 10,382,905.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,244,634.40 : 12,366,951.60 = 6,921,936.80 : x
  2. Step 2: Convert to fraction form
    8,244,634.40/12,366,951.60 = 6,921,936.80/x
  3. Step 3: Cross multiply
    8,244,634.40x = 12,366,951.60 × 6,921,936.80
  4. Step 4: Simplify right side
    8,244,634.40x = 85,603,257,383,858.88
  5. Step 5: Solve for x
    x = 85,603,257,383,858.88/8,244,634.40
  6. Step 6: Final answer
    x = 10,382,905.20

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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.