Home / 7,131,091.80-10,720,257.30-6,091,829.40

Finding the Fourth Proportional to 7,131,091.80, 10,720,257.30 and 6,091,829.40

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Solution

The fourth proportional to 7,131,091.80, 10,720,257.30 and 6,091,829.40 is: 9,157,921.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,131,091.80 : 10,720,257.30 = 6,091,829.40 : x
  2. Step 2: Convert to fraction form
    7,131,091.80/10,720,257.30 = 6,091,829.40/x
  3. Step 3: Cross multiply
    7,131,091.80x = 10,720,257.30 × 6,091,829.40
  4. Step 4: Simplify right side
    7,131,091.80x = 65,305,978,595,704.62
  5. Step 5: Solve for x
    x = 65,305,978,595,704.62/7,131,091.80
  6. Step 6: Final answer
    x = 9,157,921.46

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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.