Home / 12,171,505-16,797,201.78-6,738,997

Finding the Fourth Proportional to 12,171,505, 16,797,201.78 and 6,738,997

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Solution

The fourth proportional to 12,171,505, 16,797,201.78 and 6,738,997 is: 9,300,106.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,171,505 : 16,797,201.78 = 6,738,997 : x
  2. Step 2: Convert to fraction form
    12,171,505/16,797,201.78 = 6,738,997/x
  3. Step 3: Cross multiply
    12,171,505x = 16,797,201.78 × 6,738,997
  4. Step 4: Simplify right side
    12,171,505x = 113,196,292,403,814.67
  5. Step 5: Solve for x
    x = 113,196,292,403,814.67/12,171,505
  6. Step 6: Final answer
    x = 9,300,106.47

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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.