Home / 12,716,180.80-17,548,790.96-7,284,722.56

Finding the Fourth Proportional to 12,716,180.80, 17,548,790.96 and 7,284,722.56

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Solution

The fourth proportional to 12,716,180.80, 17,548,790.96 and 7,284,722.56 is: 10,053,181.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,716,180.80 : 17,548,790.96 = 7,284,722.56 : x
  2. Step 2: Convert to fraction form
    12,716,180.80/17,548,790.96 = 7,284,722.56/x
  3. Step 3: Cross multiply
    12,716,180.80x = 17,548,790.96 × 7,284,722.56
  4. Step 4: Simplify right side
    12,716,180.80x = 127,838,073,407,036.06
  5. Step 5: Solve for x
    x = 127,838,073,407,036.06/12,716,180.80
  6. Step 6: Final answer
    x = 10,053,181.49

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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.