Home / 12,561,650.40-18,870,469.20-12,051,544.80

Finding the Fourth Proportional to 12,561,650.40, 18,870,469.20 and 12,051,544.80

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Solution

The fourth proportional to 12,561,650.40, 18,870,469.20 and 12,051,544.80 is: 18,104,174.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,561,650.40 : 18,870,469.20 = 12,051,544.80 : x
  2. Step 2: Convert to fraction form
    12,561,650.40/18,870,469.20 = 12,051,544.80/x
  3. Step 3: Cross multiply
    12,561,650.40x = 18,870,469.20 × 12,051,544.80
  4. Step 4: Simplify right side
    12,561,650.40x = 227,418,304,960,820.16
  5. Step 5: Solve for x
    x = 227,418,304,960,820.16/12,561,650.40
  6. Step 6: Final answer
    x = 18,104,174.03

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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.