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Finding the Fourth Proportional to 14,481,400.80, 21,703,438.80 and 11,098,840.80

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Solution

The fourth proportional to 14,481,400.80, 21,703,438.80 and 11,098,840.80 is: 16,633,957.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,481,400.80 : 21,703,438.80 = 11,098,840.80 : x
  2. Step 2: Convert to fraction form
    14,481,400.80/21,703,438.80 = 11,098,840.80/x
  3. Step 3: Cross multiply
    14,481,400.80x = 21,703,438.80 × 11,098,840.80
  4. Step 4: Simplify right side
    14,481,400.80x = 240,883,012,053,743.06
  5. Step 5: Solve for x
    x = 240,883,012,053,743.06/14,481,400.80
  6. Step 6: Final answer
    x = 16,633,957.96

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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.