Home / 12,856,134.24-17,741,976.75-7,055,123.58

Finding the Fourth Proportional to 12,856,134.24, 17,741,976.75 and 7,055,123.58

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Solution

The fourth proportional to 12,856,134.24, 17,741,976.75 and 7,055,123.58 is: 9,736,351.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,856,134.24 : 17,741,976.75 = 7,055,123.58 : x
  2. Step 2: Convert to fraction form
    12,856,134.24/17,741,976.75 = 7,055,123.58/x
  3. Step 3: Cross multiply
    12,856,134.24x = 17,741,976.75 × 7,055,123.58
  4. Step 4: Simplify right side
    12,856,134.24x = 125,171,838,524,736.77
  5. Step 5: Solve for x
    x = 125,171,838,524,736.77/12,856,134.24
  6. Step 6: Final answer
    x = 9,736,351.24

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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.