Home / 13,011,067.34-17,955,224.56-7,209,844.48

Finding the Fourth Proportional to 13,011,067.34, 17,955,224.56 and 7,209,844.48

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Solution

The fourth proportional to 13,011,067.34, 17,955,224.56 and 7,209,844.48 is: 9,949,558.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011,067.34 : 17,955,224.56 = 7,209,844.48 : x
  2. Step 2: Convert to fraction form
    13,011,067.34/17,955,224.56 = 7,209,844.48/x
  3. Step 3: Cross multiply
    13,011,067.34x = 17,955,224.56 × 7,209,844.48
  4. Step 4: Simplify right side
    13,011,067.34x = 129,454,376,618,163.77
  5. Step 5: Solve for x
    x = 129,454,376,618,163.77/13,011,067.34
  6. Step 6: Final answer
    x = 9,949,558.58

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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.