Home / 12,134,786.25-16,745,986.31-6,628,161.16

Finding the Fourth Proportional to 12,134,786.25, 16,745,986.31 and 6,628,161.16

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Solution

The fourth proportional to 12,134,786.25, 16,745,986.31 and 6,628,161.16 is: 9,146,852.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,134,786.25 : 16,745,986.31 = 6,628,161.16 : x
  2. Step 2: Convert to fraction form
    12,134,786.25/16,745,986.31 = 6,628,161.16/x
  3. Step 3: Cross multiply
    12,134,786.25x = 16,745,986.31 × 6,628,161.16
  4. Step 4: Simplify right side
    12,134,786.25x = 110,995,096,033,625.39
  5. Step 5: Solve for x
    x = 110,995,096,033,625.39/12,134,786.25
  6. Step 6: Final answer
    x = 9,146,852.18

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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.