Home / 18,723,037.20-28,084,555.80-9,133,479.60

Finding the Fourth Proportional to 18,723,037.20, 28,084,555.80 and 9,133,479.60

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Solution

The fourth proportional to 18,723,037.20, 28,084,555.80 and 9,133,479.60 is: 13,700,219.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,723,037.20 : 28,084,555.80 = 9,133,479.60 : x
  2. Step 2: Convert to fraction form
    18,723,037.20/28,084,555.80 = 9,133,479.60/x
  3. Step 3: Cross multiply
    18,723,037.20x = 28,084,555.80 × 9,133,479.60
  4. Step 4: Simplify right side
    18,723,037.20x = 256,509,717,474,361.69
  5. Step 5: Solve for x
    x = 256,509,717,474,361.69/18,723,037.20
  6. Step 6: Final answer
    x = 13,700,219.40

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