Home / 11,498,569.20-17,211,972.42-8,469,355.50

Finding the Fourth Proportional to 11,498,569.20, 17,211,972.42 and 8,469,355.50

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Solution

The fourth proportional to 11,498,569.20, 17,211,972.42 and 8,469,355.50 is: 12,677,604.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,498,569.20 : 17,211,972.42 = 8,469,355.50 : x
  2. Step 2: Convert to fraction form
    11,498,569.20/17,211,972.42 = 8,469,355.50/x
  3. Step 3: Cross multiply
    11,498,569.20x = 17,211,972.42 × 8,469,355.50
  4. Step 4: Simplify right side
    11,498,569.20x = 145,774,313,281,175.31
  5. Step 5: Solve for x
    x = 145,774,313,281,175.31/11,498,569.20
  6. Step 6: Final answer
    x = 12,677,604.56

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1.5x scale

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.