Home / 18,952,961.28-28,429,662.24-5,305,297.20

Finding the Fourth Proportional to 18,952,961.28, 28,429,662.24 and 5,305,297.20

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Solution

The fourth proportional to 18,952,961.28, 28,429,662.24 and 5,305,297.20 is: 7,958,007.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,952,961.28 : 28,429,662.24 = 5,305,297.20 : x
  2. Step 2: Convert to fraction form
    18,952,961.28/28,429,662.24 = 5,305,297.20/x
  3. Step 3: Cross multiply
    18,952,961.28x = 28,429,662.24 × 5,305,297.20
  4. Step 4: Simplify right side
    18,952,961.28x = 150,827,807,478,817.72
  5. Step 5: Solve for x
    x = 150,827,807,478,817.72/18,952,961.28
  6. Step 6: Final answer
    x = 7,958,007.47

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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.