Home / 18,446,769.80-27,678,027.90-8,857,212.20

Finding the Fourth Proportional to 18,446,769.80, 27,678,027.90 and 8,857,212.20

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Solution

The fourth proportional to 18,446,769.80, 27,678,027.90 and 8,857,212.20 is: 13,289,598.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,446,769.80 : 27,678,027.90 = 8,857,212.20 : x
  2. Step 2: Convert to fraction form
    18,446,769.80/27,678,027.90 = 8,857,212.20/x
  3. Step 3: Cross multiply
    18,446,769.80x = 27,678,027.90 × 8,857,212.20
  4. Step 4: Simplify right side
    18,446,769.80x = 245,150,166,387,820.34
  5. Step 5: Solve for x
    x = 245,150,166,387,820.34/18,446,769.80
  6. Step 6: Final answer
    x = 13,289,598.62

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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.