Home / 27,939,715.68-41,936,601.78-20,166,643.92

Finding the Fourth Proportional to 27,939,715.68, 41,936,601.78 and 20,166,643.92

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Solution

The fourth proportional to 27,939,715.68, 41,936,601.78 and 20,166,643.92 is: 30,269,474.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,939,715.68 : 41,936,601.78 = 20,166,643.92 : x
  2. Step 2: Convert to fraction form
    27,939,715.68/41,936,601.78 = 20,166,643.92/x
  3. Step 3: Cross multiply
    27,939,715.68x = 41,936,601.78 × 20,166,643.92
  4. Step 4: Simplify right side
    27,939,715.68x = 845,720,515,312,098.25
  5. Step 5: Solve for x
    x = 845,720,515,312,098.25/27,939,715.68
  6. Step 6: Final answer
    x = 30,269,474.64

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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.