Home / 18,111,711.70-27,167,567.55-16,320,121.30

Finding the Fourth Proportional to 18,111,711.70, 27,167,567.55 and 16,320,121.30

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Solution

The fourth proportional to 18,111,711.70, 27,167,567.55 and 16,320,121.30 is: 24,480,181.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,111,711.70 : 27,167,567.55 = 16,320,121.30 : x
  2. Step 2: Convert to fraction form
    18,111,711.70/27,167,567.55 = 16,320,121.30/x
  3. Step 3: Cross multiply
    18,111,711.70x = 27,167,567.55 × 16,320,121.30
  4. Step 4: Simplify right side
    18,111,711.70x = 443,377,997,841,943.88
  5. Step 5: Solve for x
    x = 443,377,997,841,943.88/18,111,711.70
  6. Step 6: Final answer
    x = 24,480,181.95

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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.