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Finding the Fourth Proportional to 31,978,359.52, 47,956,798.38 and 10,407,888.40

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Solution

The fourth proportional to 31,978,359.52, 47,956,798.38 and 10,407,888.40 is: 15,608,336.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,978,359.52 : 47,956,798.38 = 10,407,888.40 : x
  2. Step 2: Convert to fraction form
    31,978,359.52/47,956,798.38 = 10,407,888.40/x
  3. Step 3: Cross multiply
    31,978,359.52x = 47,956,798.38 × 10,407,888.40
  4. Step 4: Simplify right side
    31,978,359.52x = 499,129,005,560,340.81
  5. Step 5: Solve for x
    x = 499,129,005,560,340.81/31,978,359.52
  6. Step 6: Final answer
    x = 15,608,336.80

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