Home / 7,446,816.72-11,160,913.24-3,181,991.76

Finding the Fourth Proportional to 7,446,816.72, 11,160,913.24 and 3,181,991.76

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Solution

The fourth proportional to 7,446,816.72, 11,160,913.24 and 3,181,991.76 is: 4,769,008.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,446,816.72 : 11,160,913.24 = 3,181,991.76 : x
  2. Step 2: Convert to fraction form
    7,446,816.72/11,160,913.24 = 3,181,991.76/x
  3. Step 3: Cross multiply
    7,446,816.72x = 11,160,913.24 × 3,181,991.76
  4. Step 4: Simplify right side
    7,446,816.72x = 35,513,933,963,754.90
  5. Step 5: Solve for x
    x = 35,513,933,963,754.90/7,446,816.72
  6. Step 6: Final answer
    x = 4,769,008.73

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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.