Home / 10,231,716.65-15,355,591.83-7,137,581.85

Finding the Fourth Proportional to 10,231,716.65, 15,355,591.83 and 7,137,581.85

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Solution

The fourth proportional to 10,231,716.65, 15,355,591.83 and 7,137,581.85 is: 10,711,965.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,231,716.65 : 15,355,591.83 = 7,137,581.85 : x
  2. Step 2: Convert to fraction form
    10,231,716.65/15,355,591.83 = 7,137,581.85/x
  3. Step 3: Cross multiply
    10,231,716.65x = 15,355,591.83 × 7,137,581.85
  4. Step 4: Simplify right side
    10,231,716.65x = 109,601,793,541,816.28
  5. Step 5: Solve for x
    x = 109,601,793,541,816.28/10,231,716.65
  6. Step 6: Final answer
    x = 10,711,965.29

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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.