Home / 11,715,052.88-16,168,707.40-8,040,951.12

Finding the Fourth Proportional to 11,715,052.88, 16,168,707.40 and 8,040,951.12

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Solution

The fourth proportional to 11,715,052.88, 16,168,707.40 and 8,040,951.12 is: 11,097,840.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,715,052.88 : 16,168,707.40 = 8,040,951.12 : x
  2. Step 2: Convert to fraction form
    11,715,052.88/16,168,707.40 = 8,040,951.12/x
  3. Step 3: Cross multiply
    11,715,052.88x = 16,168,707.40 × 8,040,951.12
  4. Step 4: Simplify right side
    11,715,052.88x = 130,011,785,876,982.30
  5. Step 5: Solve for x
    x = 130,011,785,876,982.30/11,715,052.88
  6. Step 6: Final answer
    x = 11,097,840.29

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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.