Home / 8,179,620.70-12,269,431.05-5,900,329.30

Finding the Fourth Proportional to 8,179,620.70, 12,269,431.05 and 5,900,329.30

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Solution

The fourth proportional to 8,179,620.70, 12,269,431.05 and 5,900,329.30 is: 8,850,493.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,179,620.70 : 12,269,431.05 = 5,900,329.30 : x
  2. Step 2: Convert to fraction form
    8,179,620.70/12,269,431.05 = 5,900,329.30/x
  3. Step 3: Cross multiply
    8,179,620.70x = 12,269,431.05 × 5,900,329.30
  4. Step 4: Simplify right side
    8,179,620.70x = 72,393,683,518,644.77
  5. Step 5: Solve for x
    x = 72,393,683,518,644.77/8,179,620.70
  6. Step 6: Final answer
    x = 8,850,493.95

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Similar ratio
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1.5x scale

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.