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Finding the Fourth Proportional to 14,192,201.41, 21,288,978.74 and 6,896,969.64

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Solution

The fourth proportional to 14,192,201.41, 21,288,978.74 and 6,896,969.64 is: 10,345,783.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,192,201.41 : 21,288,978.74 = 6,896,969.64 : x
  2. Step 2: Convert to fraction form
    14,192,201.41/21,288,978.74 = 6,896,969.64/x
  3. Step 3: Cross multiply
    14,192,201.41x = 21,288,978.74 × 6,896,969.64
  4. Step 4: Simplify right side
    14,192,201.41x = 146,829,440,003,456.66
  5. Step 5: Solve for x
    x = 146,829,440,003,456.66/14,192,201.41
  6. Step 6: Final answer
    x = 10,345,783.28

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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.