Home / 13,150,366.20-19,729,235.70-6,418,999.80

Finding the Fourth Proportional to 13,150,366.20, 19,729,235.70 and 6,418,999.80

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Solution

The fourth proportional to 13,150,366.20, 19,729,235.70 and 6,418,999.80 is: 9,630,299.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,150,366.20 : 19,729,235.70 = 6,418,999.80 : x
  2. Step 2: Convert to fraction form
    13,150,366.20/19,729,235.70 = 6,418,999.80/x
  3. Step 3: Cross multiply
    13,150,366.20x = 19,729,235.70 × 6,418,999.80
  4. Step 4: Simplify right side
    13,150,366.20x = 126,641,960,012,452.84
  5. Step 5: Solve for x
    x = 126,641,960,012,452.84/13,150,366.20
  6. Step 6: Final answer
    x = 9,630,299.12

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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.