Home / 8,678,704.25-13,016,064.24-5,174,253.56

Finding the Fourth Proportional to 8,678,704.25, 13,016,064.24 and 5,174,253.56

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Solution

The fourth proportional to 8,678,704.25, 13,016,064.24 and 5,174,253.56 is: 7,760,192.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,678,704.25 : 13,016,064.24 = 5,174,253.56 : x
  2. Step 2: Convert to fraction form
    8,678,704.25/13,016,064.24 = 5,174,253.56/x
  3. Step 3: Cross multiply
    8,678,704.25x = 13,016,064.24 × 5,174,253.56
  4. Step 4: Simplify right side
    8,678,704.25x = 67,348,416,763,548.86
  5. Step 5: Solve for x
    x = 67,348,416,763,548.86/8,678,704.25
  6. Step 6: Final answer
    x = 7,760,192.63

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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.