Home / 8,105,193.80-12,157,790.70-8,049,206.60

Finding the Fourth Proportional to 8,105,193.80, 12,157,790.70 and 8,049,206.60

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Solution

The fourth proportional to 8,105,193.80, 12,157,790.70 and 8,049,206.60 is: 12,073,809.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,105,193.80 : 12,157,790.70 = 8,049,206.60 : x
  2. Step 2: Convert to fraction form
    8,105,193.80/12,157,790.70 = 8,049,206.60/x
  3. Step 3: Cross multiply
    8,105,193.80x = 12,157,790.70 × 8,049,206.60
  4. Step 4: Simplify right side
    8,105,193.80x = 97,860,569,143,858.61
  5. Step 5: Solve for x
    x = 97,860,569,143,858.61/8,105,193.80
  6. Step 6: Final answer
    x = 12,073,809.90

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Double scale
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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.