Home / 13,291,261.20-19,936,891.80-3,193,882.20

Finding the Fourth Proportional to 13,291,261.20, 19,936,891.80 and 3,193,882.20

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Solution

The fourth proportional to 13,291,261.20, 19,936,891.80 and 3,193,882.20 is: 4,790,823.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,291,261.20 : 19,936,891.80 = 3,193,882.20 : x
  2. Step 2: Convert to fraction form
    13,291,261.20/19,936,891.80 = 3,193,882.20/x
  3. Step 3: Cross multiply
    13,291,261.20x = 19,936,891.80 × 3,193,882.20
  4. Step 4: Simplify right side
    13,291,261.20x = 63,676,083,843,345.97
  5. Step 5: Solve for x
    x = 63,676,083,843,345.97/13,291,261.20
  6. Step 6: Final answer
    x = 4,790,823.30

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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.