Home / 18,111,817.20-27,167,725.80-16,320,226.80

Finding the Fourth Proportional to 18,111,817.20, 27,167,725.80 and 16,320,226.80

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Solution

The fourth proportional to 18,111,817.20, 27,167,725.80 and 16,320,226.80 is: 24,480,340.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,111,817.20 : 27,167,725.80 = 16,320,226.80 : x
  2. Step 2: Convert to fraction form
    18,111,817.20/27,167,725.80 = 16,320,226.80/x
  3. Step 3: Cross multiply
    18,111,817.20x = 27,167,725.80 × 16,320,226.80
  4. Step 4: Simplify right side
    18,111,817.20x = 443,383,446,696,211.50
  5. Step 5: Solve for x
    x = 443,383,446,696,211.50/18,111,817.20
  6. Step 6: Final answer
    x = 24,480,340.20

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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.