Home / 12,769,341.49-17,621,546.09-6,968,221.93

Finding the Fourth Proportional to 12,769,341.49, 17,621,546.09 and 6,968,221.93

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Solution

The fourth proportional to 12,769,341.49, 17,621,546.09 and 6,968,221.93 is: 9,616,067.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,769,341.49 : 17,621,546.09 = 6,968,221.93 : x
  2. Step 2: Convert to fraction form
    12,769,341.49/17,621,546.09 = 6,968,221.93/x
  3. Step 3: Cross multiply
    12,769,341.49x = 17,621,546.09 × 6,968,221.93
  4. Step 4: Simplify right side
    12,769,341.49x = 122,790,843,781,894.92
  5. Step 5: Solve for x
    x = 122,790,843,781,894.92/12,769,341.49
  6. Step 6: Final answer
    x = 9,616,067.04

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1.5x scale

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.