Home / 18,928,609.20-28,392,913.80-11,370,337.20

Finding the Fourth Proportional to 18,928,609.20, 28,392,913.80 and 11,370,337.20

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Solution

The fourth proportional to 18,928,609.20, 28,392,913.80 and 11,370,337.20 is: 17,055,505.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,928,609.20 : 28,392,913.80 = 11,370,337.20 : x
  2. Step 2: Convert to fraction form
    18,928,609.20/28,392,913.80 = 11,370,337.20/x
  3. Step 3: Cross multiply
    18,928,609.20x = 28,392,913.80 × 11,370,337.20
  4. Step 4: Simplify right side
    18,928,609.20x = 322,837,003,996,533.38
  5. Step 5: Solve for x
    x = 322,837,003,996,533.38/18,928,609.20
  6. Step 6: Final answer
    x = 17,055,505.80

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