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Finding the Fourth Proportional to 37,481,978.48, 56,224,212.30 and 12,889,663.88

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Solution

The fourth proportional to 37,481,978.48, 56,224,212.30 and 12,889,663.88 is: 19,334,923.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,481,978.48 : 56,224,212.30 = 12,889,663.88 : x
  2. Step 2: Convert to fraction form
    37,481,978.48/56,224,212.30 = 12,889,663.88/x
  3. Step 3: Cross multiply
    37,481,978.48x = 56,224,212.30 × 12,889,663.88
  4. Step 4: Simplify right side
    37,481,978.48x = 724,711,198,464,761.75
  5. Step 5: Solve for x
    x = 724,711,198,464,761.75/37,481,978.48
  6. Step 6: Final answer
    x = 19,334,923.82

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