Home / 18,191,981.70-27,287,972.55-16,876,665.23

Finding the Fourth Proportional to 18,191,981.70, 27,287,972.55 and 16,876,665.23

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Solution

The fourth proportional to 18,191,981.70, 27,287,972.55 and 16,876,665.23 is: 25,314,997.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,191,981.70 : 27,287,972.55 = 16,876,665.23 : x
  2. Step 2: Convert to fraction form
    18,191,981.70/27,287,972.55 = 16,876,665.23/x
  3. Step 3: Cross multiply
    18,191,981.70x = 27,287,972.55 × 16,876,665.23
  4. Step 4: Simplify right side
    18,191,981.70x = 460,529,977,395,339.62
  5. Step 5: Solve for x
    x = 460,529,977,395,339.62/18,191,981.70
  6. Step 6: Final answer
    x = 25,314,997.84

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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.