Home / 12,138,982.56-16,751,600.52-6,632,239.20

Finding the Fourth Proportional to 12,138,982.56, 16,751,600.52 and 6,632,239.20

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Solution

The fourth proportional to 12,138,982.56, 16,751,600.52 and 6,632,239.20 is: 9,152,383.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,138,982.56 : 16,751,600.52 = 6,632,239.20 : x
  2. Step 2: Convert to fraction form
    12,138,982.56/16,751,600.52 = 6,632,239.20/x
  3. Step 3: Cross multiply
    12,138,982.56x = 16,751,600.52 × 6,632,239.20
  4. Step 4: Simplify right side
    12,138,982.56x = 111,100,621,631,484.39
  5. Step 5: Solve for x
    x = 111,100,621,631,484.39/12,138,982.56
  6. Step 6: Final answer
    x = 9,152,383.33

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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.