Home / 12,481,997.80-18,723,611.10-6,510,029.80

Finding the Fourth Proportional to 12,481,997.80, 18,723,611.10 and 6,510,029.80

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Solution

The fourth proportional to 12,481,997.80, 18,723,611.10 and 6,510,029.80 is: 9,765,365.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,481,997.80 : 18,723,611.10 = 6,510,029.80 : x
  2. Step 2: Convert to fraction form
    12,481,997.80/18,723,611.10 = 6,510,029.80/x
  3. Step 3: Cross multiply
    12,481,997.80x = 18,723,611.10 × 6,510,029.80
  4. Step 4: Simplify right side
    12,481,997.80x = 121,891,266,224,610.78
  5. Step 5: Solve for x
    x = 121,891,266,224,610.78/12,481,997.80
  6. Step 6: Final answer
    x = 9,765,365.14

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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.