Home / 12,384,064.80-18,576,097.20-5,665,600.80

Finding the Fourth Proportional to 12,384,064.80, 18,576,097.20 and 5,665,600.80

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Solution

The fourth proportional to 12,384,064.80, 18,576,097.20 and 5,665,600.80 is: 8,498,401.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,384,064.80 : 18,576,097.20 = 5,665,600.80 : x
  2. Step 2: Convert to fraction form
    12,384,064.80/18,576,097.20 = 5,665,600.80/x
  3. Step 3: Cross multiply
    12,384,064.80x = 18,576,097.20 × 5,665,600.80
  4. Step 4: Simplify right side
    12,384,064.80x = 105,244,751,157,197.75
  5. Step 5: Solve for x
    x = 105,244,751,157,197.75/12,384,064.80
  6. Step 6: Final answer
    x = 8,498,401.20

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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.