Home / 13,603,397.97-18,771,301.22-8,375,576.77

Finding the Fourth Proportional to 13,603,397.97, 18,771,301.22 and 8,375,576.77

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Solution

The fourth proportional to 13,603,397.97, 18,771,301.22 and 8,375,576.77 is: 11,557,441.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,603,397.97 : 18,771,301.22 = 8,375,576.77 : x
  2. Step 2: Convert to fraction form
    13,603,397.97/18,771,301.22 = 8,375,576.77/x
  3. Step 3: Cross multiply
    13,603,397.97x = 18,771,301.22 × 8,375,576.77
  4. Step 4: Simplify right side
    13,603,397.97x = 157,220,474,461,843.59
  5. Step 5: Solve for x
    x = 157,220,474,461,843.59/13,603,397.97
  6. Step 6: Final answer
    x = 11,557,441.37

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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.