Home / 20,177,435.80-30,266,153.70-12,099,532.60

Finding the Fourth Proportional to 20,177,435.80, 30,266,153.70 and 12,099,532.60

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Solution

The fourth proportional to 20,177,435.80, 30,266,153.70 and 12,099,532.60 is: 18,149,298.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,177,435.80 : 30,266,153.70 = 12,099,532.60 : x
  2. Step 2: Convert to fraction form
    20,177,435.80/30,266,153.70 = 12,099,532.60/x
  3. Step 3: Cross multiply
    20,177,435.80x = 30,266,153.70 × 12,099,532.60
  4. Step 4: Simplify right side
    20,177,435.80x = 366,206,313,369,760.62
  5. Step 5: Solve for x
    x = 366,206,313,369,760.62/20,177,435.80
  6. Step 6: Final answer
    x = 18,149,298.90

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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.