Home / 12,122,039.42-16,728,769.04-6,615,767.43

Finding the Fourth Proportional to 12,122,039.42, 16,728,769.04 and 6,615,767.43

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Solution

The fourth proportional to 12,122,039.42, 16,728,769.04 and 6,615,767.43 is: 9,129,952.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,122,039.42 : 16,728,769.04 = 6,615,767.43 : x
  2. Step 2: Convert to fraction form
    12,122,039.42/16,728,769.04 = 6,615,767.43/x
  3. Step 3: Cross multiply
    12,122,039.42x = 16,728,769.04 × 6,615,767.43
  4. Step 4: Simplify right side
    12,122,039.42x = 110,673,645,325,745.53
  5. Step 5: Solve for x
    x = 110,673,645,325,745.53/12,122,039.42
  6. Step 6: Final answer
    x = 9,129,952.60

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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.