Home / 13,269,259-18,313,336.74-7,469,166.52

Finding the Fourth Proportional to 13,269,259, 18,313,336.74 and 7,469,166.52

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Solution

The fourth proportional to 13,269,259, 18,313,336.74 and 7,469,166.52 is: 10,308,440.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,269,259 : 18,313,336.74 = 7,469,166.52 : x
  2. Step 2: Convert to fraction form
    13,269,259/18,313,336.74 = 7,469,166.52/x
  3. Step 3: Cross multiply
    13,269,259x = 18,313,336.74 × 7,469,166.52
  4. Step 4: Simplify right side
    13,269,259x = 136,785,361,647,893.92
  5. Step 5: Solve for x
    x = 136,785,361,647,893.92/13,269,259
  6. Step 6: Final answer
    x = 10,308,440.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.