Home / 13,291,307.20-19,936,960.80-3,193,928.20

Finding the Fourth Proportional to 13,291,307.20, 19,936,960.80 and 3,193,928.20

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Solution

The fourth proportional to 13,291,307.20, 19,936,960.80 and 3,193,928.20 is: 4,790,892.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,291,307.20 : 19,936,960.80 = 3,193,928.20 : x
  2. Step 2: Convert to fraction form
    13,291,307.20/19,936,960.80 = 3,193,928.20/x
  3. Step 3: Cross multiply
    13,291,307.20x = 19,936,960.80 × 3,193,928.20
  4. Step 4: Simplify right side
    13,291,307.20x = 63,677,221,321,414.56
  5. Step 5: Solve for x
    x = 63,677,221,321,414.56/13,291,307.20
  6. Step 6: Final answer
    x = 4,790,892.30

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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.