Home / 8,399,179.80-12,598,769.70-5,193,912.60

Finding the Fourth Proportional to 8,399,179.80, 12,598,769.70 and 5,193,912.60

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Solution

The fourth proportional to 8,399,179.80, 12,598,769.70 and 5,193,912.60 is: 7,790,868.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,399,179.80 : 12,598,769.70 = 5,193,912.60 : x
  2. Step 2: Convert to fraction form
    8,399,179.80/12,598,769.70 = 5,193,912.60/x
  3. Step 3: Cross multiply
    8,399,179.80x = 12,598,769.70 × 5,193,912.60
  4. Step 4: Simplify right side
    8,399,179.80x = 65,436,908,689,328.21
  5. Step 5: Solve for x
    x = 65,436,908,689,328.21/8,399,179.80
  6. Step 6: Final answer
    x = 7,790,868.90

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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.