Home / 13,933,115.78-19,227,061.53-7,738,558.56

Finding the Fourth Proportional to 13,933,115.78, 19,227,061.53 and 7,738,558.56

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Solution

The fourth proportional to 13,933,115.78, 19,227,061.53 and 7,738,558.56 is: 10,678,856.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,933,115.78 : 19,227,061.53 = 7,738,558.56 : x
  2. Step 2: Convert to fraction form
    13,933,115.78/19,227,061.53 = 7,738,558.56/x
  3. Step 3: Cross multiply
    13,933,115.78x = 19,227,061.53 × 7,738,558.56
  4. Step 4: Simplify right side
    13,933,115.78x = 148,789,741,586,628.19
  5. Step 5: Solve for x
    x = 148,789,741,586,628.19/13,933,115.78
  6. Step 6: Final answer
    x = 10,678,856.33

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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.