Home / 13,857,769.80-20,786,654.70-8,755,936.20

Finding the Fourth Proportional to 13,857,769.80, 20,786,654.70 and 8,755,936.20

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Solution

The fourth proportional to 13,857,769.80, 20,786,654.70 and 8,755,936.20 is: 13,133,904.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,857,769.80 : 20,786,654.70 = 8,755,936.20 : x
  2. Step 2: Convert to fraction form
    13,857,769.80/20,786,654.70 = 8,755,936.20/x
  3. Step 3: Cross multiply
    13,857,769.80x = 20,786,654.70 × 8,755,936.20
  4. Step 4: Simplify right side
    13,857,769.80x = 182,006,622,364,630.12
  5. Step 5: Solve for x
    x = 182,006,622,364,630.12/13,857,769.80
  6. Step 6: Final answer
    x = 13,133,904.30

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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.