Home / 13,981,478.94-19,295,039.54-7,786,525.62

Finding the Fourth Proportional to 13,981,478.94, 19,295,039.54 and 7,786,525.62

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Solution

The fourth proportional to 13,981,478.94, 19,295,039.54 and 7,786,525.62 is: 10,745,738.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,981,478.94 : 19,295,039.54 = 7,786,525.62 : x
  2. Step 2: Convert to fraction form
    13,981,478.94/19,295,039.54 = 7,786,525.62/x
  3. Step 3: Cross multiply
    13,981,478.94x = 19,295,039.54 × 7,786,525.62
  4. Step 4: Simplify right side
    13,981,478.94x = 150,241,319,717,123
  5. Step 5: Solve for x
    x = 150,241,319,717,123/13,981,478.94
  6. Step 6: Final answer
    x = 10,745,738.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.