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Finding the Fourth Proportional to 22,299,493.80, 30,786,493.14 and 14,046,630.60

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Solution

The fourth proportional to 22,299,493.80, 30,786,493.14 and 14,046,630.60 is: 19,392,659.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,299,493.80 : 30,786,493.14 = 14,046,630.60 : x
  2. Step 2: Convert to fraction form
    22,299,493.80/30,786,493.14 = 14,046,630.60/x
  3. Step 3: Cross multiply
    22,299,493.80x = 30,786,493.14 × 14,046,630.60
  4. Step 4: Simplify right side
    22,299,493.80x = 432,446,496,607,014.06
  5. Step 5: Solve for x
    x = 432,446,496,607,014.06/22,299,493.80
  6. Step 6: Final answer
    x = 19,392,659.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.