Home / 11,146,049.40-15,375,015.69-7,009,519.32

Finding the Fourth Proportional to 11,146,049.40, 15,375,015.69 and 7,009,519.32

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Solution

The fourth proportional to 11,146,049.40, 15,375,015.69 and 7,009,519.32 is: 9,669,028.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,146,049.40 : 15,375,015.69 = 7,009,519.32 : x
  2. Step 2: Convert to fraction form
    11,146,049.40/15,375,015.69 = 7,009,519.32/x
  3. Step 3: Cross multiply
    11,146,049.40x = 15,375,015.69 × 7,009,519.32
  4. Step 4: Simplify right side
    11,146,049.40x = 107,771,469,524,358.12
  5. Step 5: Solve for x
    x = 107,771,469,524,358.12/11,146,049.40
  6. Step 6: Final answer
    x = 9,669,028.52

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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.