Home / 6,665,127.80-9,997,691.70-6,145,496.60

Finding the Fourth Proportional to 6,665,127.80, 9,997,691.70 and 6,145,496.60

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Solution

The fourth proportional to 6,665,127.80, 9,997,691.70 and 6,145,496.60 is: 9,218,244.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,665,127.80 : 9,997,691.70 = 6,145,496.60 : x
  2. Step 2: Convert to fraction form
    6,665,127.80/9,997,691.70 = 6,145,496.60/x
  3. Step 3: Cross multiply
    6,665,127.80x = 9,997,691.70 × 6,145,496.60
  4. Step 4: Simplify right side
    6,665,127.80x = 61,440,780,350,198.21
  5. Step 5: Solve for x
    x = 61,440,780,350,198.21/6,665,127.80
  6. Step 6: Final answer
    x = 9,218,244.90

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1.5x scale

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.