Home / 13,053,261.67-18,013,801.13-7,173,261.43

Finding the Fourth Proportional to 13,053,261.67, 18,013,801.13 and 7,173,261.43

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Solution

The fourth proportional to 13,053,261.67, 18,013,801.13 and 7,173,261.43 is: 9,899,265.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,053,261.67 : 18,013,801.13 = 7,173,261.43 : x
  2. Step 2: Convert to fraction form
    13,053,261.67/18,013,801.13 = 7,173,261.43/x
  3. Step 3: Cross multiply
    13,053,261.67x = 18,013,801.13 × 7,173,261.43
  4. Step 4: Simplify right side
    13,053,261.67x = 129,217,704,727,584.09
  5. Step 5: Solve for x
    x = 129,217,704,727,584.09/13,053,261.67
  6. Step 6: Final answer
    x = 9,899,265.64

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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.