Home / 18,136,019.20-27,141,043.20-12,467,315.20

Finding the Fourth Proportional to 18,136,019.20, 27,141,043.20 and 12,467,315.20

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Solution

The fourth proportional to 18,136,019.20, 27,141,043.20 and 12,467,315.20 is: 18,657,674.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,136,019.20 : 27,141,043.20 = 12,467,315.20 : x
  2. Step 2: Convert to fraction form
    18,136,019.20/27,141,043.20 = 12,467,315.20/x
  3. Step 3: Cross multiply
    18,136,019.20x = 27,141,043.20 × 12,467,315.20
  4. Step 4: Simplify right side
    18,136,019.20x = 338,375,940,431,216.62
  5. Step 5: Solve for x
    x = 338,375,940,431,216.62/18,136,019.20
  6. Step 6: Final answer
    x = 18,657,674.36

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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.