Home / 12,120,993.78-16,727,324.69-6,614,723.31

Finding the Fourth Proportional to 12,120,993.78, 16,727,324.69 and 6,614,723.31

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Solution

The fourth proportional to 12,120,993.78, 16,727,324.69 and 6,614,723.31 is: 9,128,510.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,120,993.78 : 16,727,324.69 = 6,614,723.31 : x
  2. Step 2: Convert to fraction form
    12,120,993.78/16,727,324.69 = 6,614,723.31/x
  3. Step 3: Cross multiply
    12,120,993.78x = 16,727,324.69 × 6,614,723.31
  4. Step 4: Simplify right side
    12,120,993.78x = 110,646,624,540,881.52
  5. Step 5: Solve for x
    x = 110,646,624,540,881.52/12,120,993.78
  6. Step 6: Final answer
    x = 9,128,510.96

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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.