Home / 18,738,340.80-28,081,267.20-14,906,716.80

Finding the Fourth Proportional to 18,738,340.80, 28,081,267.20 and 14,906,716.80

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Solution

The fourth proportional to 18,738,340.80, 28,081,267.20 and 14,906,716.80 is: 22,339,197.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,738,340.80 : 28,081,267.20 = 14,906,716.80 : x
  2. Step 2: Convert to fraction form
    18,738,340.80/28,081,267.20 = 14,906,716.80/x
  3. Step 3: Cross multiply
    18,738,340.80x = 28,081,267.20 × 14,906,716.80
  4. Step 4: Simplify right side
    18,738,340.80x = 418,599,497,535,529
  5. Step 5: Solve for x
    x = 418,599,497,535,529/18,738,340.80
  6. Step 6: Final answer
    x = 22,339,197.58

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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.