Home / 13,191,954.46-18,204,456.96-7,311,338.08

Finding the Fourth Proportional to 13,191,954.46, 18,204,456.96 and 7,311,338.08

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Solution

The fourth proportional to 13,191,954.46, 18,204,456.96 and 7,311,338.08 is: 10,089,402.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,191,954.46 : 18,204,456.96 = 7,311,338.08 : x
  2. Step 2: Convert to fraction form
    13,191,954.46/18,204,456.96 = 7,311,338.08/x
  3. Step 3: Cross multiply
    13,191,954.46x = 18,204,456.96 × 7,311,338.08
  4. Step 4: Simplify right side
    13,191,954.46x = 133,098,939,397,369.05
  5. Step 5: Solve for x
    x = 133,098,939,397,369.05/13,191,954.46
  6. Step 6: Final answer
    x = 10,089,402.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.