Home / 12,166,576.92-16,789,851.72-6,659,953.31

Finding the Fourth Proportional to 12,166,576.92, 16,789,851.72 and 6,659,953.31

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Solution

The fourth proportional to 12,166,576.92, 16,789,851.72 and 6,659,953.31 is: 9,190,722.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,166,576.92 : 16,789,851.72 = 6,659,953.31 : x
  2. Step 2: Convert to fraction form
    12,166,576.92/16,789,851.72 = 6,659,953.31/x
  3. Step 3: Cross multiply
    12,166,576.92x = 16,789,851.72 × 6,659,953.31
  4. Step 4: Simplify right side
    12,166,576.92x = 111,819,628,578,997.81
  5. Step 5: Solve for x
    x = 111,819,628,578,997.81/12,166,576.92
  6. Step 6: Final answer
    x = 9,190,722.20

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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.