Home / 12,081,246.30-18,123,571.53-3,881,138.94

Finding the Fourth Proportional to 12,081,246.30, 18,123,571.53 and 3,881,138.94

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Solution

The fourth proportional to 12,081,246.30, 18,123,571.53 and 3,881,138.94 is: 5,822,255.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,081,246.30 : 18,123,571.53 = 3,881,138.94 : x
  2. Step 2: Convert to fraction form
    12,081,246.30/18,123,571.53 = 3,881,138.94/x
  3. Step 3: Cross multiply
    12,081,246.30x = 18,123,571.53 × 3,881,138.94
  4. Step 4: Simplify right side
    12,081,246.30x = 70,340,099,196,958.38
  5. Step 5: Solve for x
    x = 70,340,099,196,958.38/12,081,246.30
  6. Step 6: Final answer
    x = 5,822,255.21

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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.