Home / 13,481,909.12-20,219,903.94-3,895,201.91

Finding the Fourth Proportional to 13,481,909.12, 20,219,903.94 and 3,895,201.91

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Solution

The fourth proportional to 13,481,909.12, 20,219,903.94 and 3,895,201.91 is: 5,841,947.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,481,909.12 : 20,219,903.94 = 3,895,201.91 : x
  2. Step 2: Convert to fraction form
    13,481,909.12/20,219,903.94 = 3,895,201.91/x
  3. Step 3: Cross multiply
    13,481,909.12x = 20,219,903.94 × 3,895,201.91
  4. Step 4: Simplify right side
    13,481,909.12x = 78,760,608,512,261.30
  5. Step 5: Solve for x
    x = 78,760,608,512,261.30/13,481,909.12
  6. Step 6: Final answer
    x = 5,841,947.74

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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.