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Finding the Fourth Proportional to 22,397,796.40, 33,571,811.40 and 12,307,658.80

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Solution

The fourth proportional to 22,397,796.40, 33,571,811.40 and 12,307,658.80 is: 18,447,814.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,397,796.40 : 33,571,811.40 = 12,307,658.80 : x
  2. Step 2: Convert to fraction form
    22,397,796.40/33,571,811.40 = 12,307,658.80/x
  3. Step 3: Cross multiply
    22,397,796.40x = 33,571,811.40 × 12,307,658.80
  4. Step 4: Simplify right side
    22,397,796.40x = 413,190,400,009,150.31
  5. Step 5: Solve for x
    x = 413,190,400,009,150.31/22,397,796.40
  6. Step 6: Final answer
    x = 18,447,814.80

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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.