Home / 7,965,042.28-11,947,538.46-1,981,410.28

Finding the Fourth Proportional to 7,965,042.28, 11,947,538.46 and 1,981,410.28

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Solution

The fourth proportional to 7,965,042.28, 11,947,538.46 and 1,981,410.28 is: 2,972,109.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,965,042.28 : 11,947,538.46 = 1,981,410.28 : x
  2. Step 2: Convert to fraction form
    7,965,042.28/11,947,538.46 = 1,981,410.28/x
  3. Step 3: Cross multiply
    7,965,042.28x = 11,947,538.46 × 1,981,410.28
  4. Step 4: Simplify right side
    7,965,042.28x = 23,672,975,525,339.37
  5. Step 5: Solve for x
    x = 23,672,975,525,339.37/7,965,042.28
  6. Step 6: Final answer
    x = 2,972,109.21

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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.