Home / 18,363,786.80-27,545,680.20-8,286,090.80

Finding the Fourth Proportional to 18,363,786.80, 27,545,680.20 and 8,286,090.80

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Solution

The fourth proportional to 18,363,786.80, 27,545,680.20 and 8,286,090.80 is: 12,429,136.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,363,786.80 : 27,545,680.20 = 8,286,090.80 : x
  2. Step 2: Convert to fraction form
    18,363,786.80/27,545,680.20 = 8,286,090.80/x
  3. Step 3: Cross multiply
    18,363,786.80x = 27,545,680.20 × 8,286,090.80
  4. Step 4: Simplify right side
    18,363,786.80x = 228,246,007,284,962.16
  5. Step 5: Solve for x
    x = 228,246,007,284,962.16/18,363,786.80
  6. Step 6: Final answer
    x = 12,429,136.20

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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.