Home / 27,290,162.70-40,810,908.97-20,378,495.70

Finding the Fourth Proportional to 27,290,162.70, 40,810,908.97 and 20,378,495.70

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Solution

The fourth proportional to 27,290,162.70, 40,810,908.97 and 20,378,495.70 is: 30,474,898.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,290,162.70 : 40,810,908.97 = 20,378,495.70 : x
  2. Step 2: Convert to fraction form
    27,290,162.70/40,810,908.97 = 20,378,495.70/x
  3. Step 3: Cross multiply
    27,290,162.70x = 40,810,908.97 × 20,378,495.70
  4. Step 4: Simplify right side
    27,290,162.70x = 831,664,932,958,236.38
  5. Step 5: Solve for x
    x = 831,664,932,958,236.38/27,290,162.70
  6. Step 6: Final answer
    x = 30,474,898.31

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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.