Home / 13,644,964.62-20,434,816.89-7,870,192.20

Finding the Fourth Proportional to 13,644,964.62, 20,434,816.89 and 7,870,192.20

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Solution

The fourth proportional to 13,644,964.62, 20,434,816.89 and 7,870,192.20 is: 11,786,467.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,644,964.62 : 20,434,816.89 = 7,870,192.20 : x
  2. Step 2: Convert to fraction form
    13,644,964.62/20,434,816.89 = 7,870,192.20/x
  3. Step 3: Cross multiply
    13,644,964.62x = 20,434,816.89 × 7,870,192.20
  4. Step 4: Simplify right side
    13,644,964.62x = 160,825,936,496,106.28
  5. Step 5: Solve for x
    x = 160,825,936,496,106.28/13,644,964.62
  6. Step 6: Final answer
    x = 11,786,467.83

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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.