Home / 8,122,855.98-11,203,084.20-6,903,198.89

Finding the Fourth Proportional to 8,122,855.98, 11,203,084.20 and 6,903,198.89

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Solution

The fourth proportional to 8,122,855.98, 11,203,084.20 and 6,903,198.89 is: 9,520,926.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,122,855.98 : 11,203,084.20 = 6,903,198.89 : x
  2. Step 2: Convert to fraction form
    8,122,855.98/11,203,084.20 = 6,903,198.89/x
  3. Step 3: Cross multiply
    8,122,855.98x = 11,203,084.20 × 6,903,198.89
  4. Step 4: Simplify right side
    8,122,855.98x = 77,337,118,414,016.53
  5. Step 5: Solve for x
    x = 77,337,118,414,016.53/8,122,855.98
  6. Step 6: Final answer
    x = 9,520,926.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.