Home / 13,728,936.36-18,946,164.72-7,534,559.44

Finding the Fourth Proportional to 13,728,936.36, 18,946,164.72 and 7,534,559.44

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Solution

The fourth proportional to 13,728,936.36, 18,946,164.72 and 7,534,559.44 is: 10,397,819.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,728,936.36 : 18,946,164.72 = 7,534,559.44 : x
  2. Step 2: Convert to fraction form
    13,728,936.36/18,946,164.72 = 7,534,559.44/x
  3. Step 3: Cross multiply
    13,728,936.36x = 18,946,164.72 × 7,534,559.44
  4. Step 4: Simplify right side
    13,728,936.36x = 142,751,004,242,870.97
  5. Step 5: Solve for x
    x = 142,751,004,242,870.97/13,728,936.36
  6. Step 6: Final answer
    x = 10,397,819.65

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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.