Home / 20,195,238.30-30,292,858.11-5,049,169.80

Finding the Fourth Proportional to 20,195,238.30, 30,292,858.11 and 5,049,169.80

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Solution

The fourth proportional to 20,195,238.30, 30,292,858.11 and 5,049,169.80 is: 7,573,754.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,195,238.30 : 30,292,858.11 = 5,049,169.80 : x
  2. Step 2: Convert to fraction form
    20,195,238.30/30,292,858.11 = 5,049,169.80/x
  3. Step 3: Cross multiply
    20,195,238.30x = 30,292,858.11 × 5,049,169.80
  4. Step 4: Simplify right side
    20,195,238.30x = 152,953,784,173,232.78
  5. Step 5: Solve for x
    x = 152,953,784,173,232.78/20,195,238.30
  6. Step 6: Final answer
    x = 7,573,754.86

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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.