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Finding the Fourth Proportional to 12,446,662.80, 18,669,994.20 and 10,953,670.80

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Solution

The fourth proportional to 12,446,662.80, 18,669,994.20 and 10,953,670.80 is: 16,430,506.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,446,662.80 : 18,669,994.20 = 10,953,670.80 : x
  2. Step 2: Convert to fraction form
    12,446,662.80/18,669,994.20 = 10,953,670.80/x
  3. Step 3: Cross multiply
    12,446,662.80x = 18,669,994.20 × 10,953,670.80
  4. Step 4: Simplify right side
    12,446,662.80x = 204,504,970,304,709.38
  5. Step 5: Solve for x
    x = 204,504,970,304,709.38/12,446,662.80
  6. Step 6: Final answer
    x = 16,430,506.20

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Similar ratio
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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.