Home / 12,388,540.30-18,567,064.05-5,985,004.30

Finding the Fourth Proportional to 12,388,540.30, 18,567,064.05 and 5,985,004.30

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Solution

The fourth proportional to 12,388,540.30, 18,567,064.05 and 5,985,004.30 is: 8,969,899.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,388,540.30 : 18,567,064.05 = 5,985,004.30 : x
  2. Step 2: Convert to fraction form
    12,388,540.30/18,567,064.05 = 5,985,004.30/x
  3. Step 3: Cross multiply
    12,388,540.30x = 18,567,064.05 × 5,985,004.30
  4. Step 4: Simplify right side
    12,388,540.30x = 111,123,958,177,625.42
  5. Step 5: Solve for x
    x = 111,123,958,177,625.42/12,388,540.30
  6. Step 6: Final answer
    x = 8,969,899.24

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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.