Home / 13,438,021.82-20,145,096.57-5,238,774.14

Finding the Fourth Proportional to 13,438,021.82, 20,145,096.57 and 5,238,774.14

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Solution

The fourth proportional to 13,438,021.82, 20,145,096.57 and 5,238,774.14 is: 7,853,507.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,438,021.82 : 20,145,096.57 = 5,238,774.14 : x
  2. Step 2: Convert to fraction form
    13,438,021.82/20,145,096.57 = 5,238,774.14/x
  3. Step 3: Cross multiply
    13,438,021.82x = 20,145,096.57 × 5,238,774.14
  4. Step 4: Simplify right side
    13,438,021.82x = 105,535,610,958,718.69
  5. Step 5: Solve for x
    x = 105,535,610,958,718.69/13,438,021.82
  6. Step 6: Final answer
    x = 7,853,507.93

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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.