Home / 12,192,033.20-18,288,049.80-11,072,289.20

Finding the Fourth Proportional to 12,192,033.20, 18,288,049.80 and 11,072,289.20

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Solution

The fourth proportional to 12,192,033.20, 18,288,049.80 and 11,072,289.20 is: 16,608,433.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,192,033.20 : 18,288,049.80 = 11,072,289.20 : x
  2. Step 2: Convert to fraction form
    12,192,033.20/18,288,049.80 = 11,072,289.20/x
  3. Step 3: Cross multiply
    12,192,033.20x = 18,288,049.80 × 11,072,289.20
  4. Step 4: Simplify right side
    12,192,033.20x = 202,490,576,289,602.16
  5. Step 5: Solve for x
    x = 202,490,576,289,602.16/12,192,033.20
  6. Step 6: Final answer
    x = 16,608,433.80

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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.