Home / 11,078,843.40-16,619,820.30-3,505,019.40

Finding the Fourth Proportional to 11,078,843.40, 16,619,820.30 and 3,505,019.40

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Solution

The fourth proportional to 11,078,843.40, 16,619,820.30 and 3,505,019.40 is: 5,258,021.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,078,843.40 : 16,619,820.30 = 3,505,019.40 : x
  2. Step 2: Convert to fraction form
    11,078,843.40/16,619,820.30 = 3,505,019.40/x
  3. Step 3: Cross multiply
    11,078,843.40x = 16,619,820.30 × 3,505,019.40
  4. Step 4: Simplify right side
    11,078,843.40x = 58,252,792,576,013.82
  5. Step 5: Solve for x
    x = 58,252,792,576,013.82/11,078,843.40
  6. Step 6: Final answer
    x = 5,258,021.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.