Home / 11,687,997.60-17,531,996.40-7,656,919.20

Finding the Fourth Proportional to 11,687,997.60, 17,531,996.40 and 7,656,919.20

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Solution

The fourth proportional to 11,687,997.60, 17,531,996.40 and 7,656,919.20 is: 11,485,378.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,687,997.60 : 17,531,996.40 = 7,656,919.20 : x
  2. Step 2: Convert to fraction form
    11,687,997.60/17,531,996.40 = 7,656,919.20/x
  3. Step 3: Cross multiply
    11,687,997.60x = 17,531,996.40 × 7,656,919.20
  4. Step 4: Simplify right side
    11,687,997.60x = 134,241,079,849,490.88
  5. Step 5: Solve for x
    x = 134,241,079,849,490.88/11,687,997.60
  6. Step 6: Final answer
    x = 11,485,378.80

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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.