Home / 18,446,629.80-27,677,817.90-8,857,072.20

Finding the Fourth Proportional to 18,446,629.80, 27,677,817.90 and 8,857,072.20

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Solution

The fourth proportional to 18,446,629.80, 27,677,817.90 and 8,857,072.20 is: 13,289,388.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,446,629.80 : 27,677,817.90 = 8,857,072.20 : x
  2. Step 2: Convert to fraction form
    18,446,629.80/27,677,817.90 = 8,857,072.20/x
  3. Step 3: Cross multiply
    18,446,629.80x = 27,677,817.90 × 8,857,072.20
  4. Step 4: Simplify right side
    18,446,629.80x = 245,144,431,478,752.34
  5. Step 5: Solve for x
    x = 245,144,431,478,752.34/18,446,629.80
  6. Step 6: Final answer
    x = 13,289,388.58

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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.