Home / 18,387,112.30-27,530,902.05-14,405,800.30

Finding the Fourth Proportional to 18,387,112.30, 27,530,902.05 and 14,405,800.30

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Solution

The fourth proportional to 18,387,112.30, 27,530,902.05 and 14,405,800.30 is: 21,569,709.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,387,112.30 : 27,530,902.05 = 14,405,800.30 : x
  2. Step 2: Convert to fraction form
    18,387,112.30/27,530,902.05 = 14,405,800.30/x
  3. Step 3: Cross multiply
    18,387,112.30x = 27,530,902.05 × 14,405,800.30
  4. Step 4: Simplify right side
    18,387,112.30x = 396,604,677,011,160.62
  5. Step 5: Solve for x
    x = 396,604,677,011,160.62/18,387,112.30
  6. Step 6: Final answer
    x = 21,569,709.83

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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.