Home / 12,120,992.78-16,727,323.31-6,614,722.31

Finding the Fourth Proportional to 12,120,992.78, 16,727,323.31 and 6,614,722.31

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Solution

The fourth proportional to 12,120,992.78, 16,727,323.31 and 6,614,722.31 is: 9,128,509.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,120,992.78 : 16,727,323.31 = 6,614,722.31 : x
  2. Step 2: Convert to fraction form
    12,120,992.78/16,727,323.31 = 6,614,722.31/x
  3. Step 3: Cross multiply
    12,120,992.78x = 16,727,323.31 × 6,614,722.31
  4. Step 4: Simplify right side
    12,120,992.78x = 110,646,598,568,529.81
  5. Step 5: Solve for x
    x = 110,646,598,568,529.81/12,120,992.78
  6. Step 6: Final answer
    x = 9,128,509.57

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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.