Home / 12,256,965.61-16,916,451.42-9,311,936.46

Finding the Fourth Proportional to 12,256,965.61, 16,916,451.42 and 9,311,936.46

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Solution

The fourth proportional to 12,256,965.61, 16,916,451.42 and 9,311,936.46 is: 12,851,869.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,256,965.61 : 16,916,451.42 = 9,311,936.46 : x
  2. Step 2: Convert to fraction form
    12,256,965.61/16,916,451.42 = 9,311,936.46/x
  3. Step 3: Cross multiply
    12,256,965.61x = 16,916,451.42 × 9,311,936.46
  4. Step 4: Simplify right side
    12,256,965.61x = 157,524,920,751,716.81
  5. Step 5: Solve for x
    x = 157,524,920,751,716.81/12,256,965.61
  6. Step 6: Final answer
    x = 12,851,869.36

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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.