Home / 18,384,052.80-27,576,079.20-12,219,337.20

Finding the Fourth Proportional to 18,384,052.80, 27,576,079.20 and 12,219,337.20

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Solution

The fourth proportional to 18,384,052.80, 27,576,079.20 and 12,219,337.20 is: 18,329,005.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,384,052.80 : 27,576,079.20 = 12,219,337.20 : x
  2. Step 2: Convert to fraction form
    18,384,052.80/27,576,079.20 = 12,219,337.20/x
  3. Step 3: Cross multiply
    18,384,052.80x = 27,576,079.20 × 12,219,337.20
  4. Step 4: Simplify right side
    18,384,052.80x = 336,961,410,398,706.19
  5. Step 5: Solve for x
    x = 336,961,410,398,706.19/18,384,052.80
  6. Step 6: Final answer
    x = 18,329,005.80

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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.