Home / 13,191,958.96-18,204,463.17-7,311,342.58

Finding the Fourth Proportional to 13,191,958.96, 18,204,463.17 and 7,311,342.58

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Solution

The fourth proportional to 13,191,958.96, 18,204,463.17 and 7,311,342.58 is: 10,089,408.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,191,958.96 : 18,204,463.17 = 7,311,342.58 : x
  2. Step 2: Convert to fraction form
    13,191,958.96/18,204,463.17 = 7,311,342.58/x
  3. Step 3: Cross multiply
    13,191,958.96x = 18,204,463.17 × 7,311,342.58
  4. Step 4: Simplify right side
    13,191,958.96x = 133,099,066,720,862.80
  5. Step 5: Solve for x
    x = 133,099,066,720,862.80/13,191,958.96
  6. Step 6: Final answer
    x = 10,089,408.79

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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.