Home / 12,168,970.20-18,255,891.07-4,492,661.71

Finding the Fourth Proportional to 12,168,970.20, 18,255,891.07 and 4,492,661.71

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Solution

The fourth proportional to 12,168,970.20, 18,255,891.07 and 4,492,661.71 is: 6,739,891.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,168,970.20 : 18,255,891.07 = 4,492,661.71 : x
  2. Step 2: Convert to fraction form
    12,168,970.20/18,255,891.07 = 4,492,661.71/x
  3. Step 3: Cross multiply
    12,168,970.20x = 18,255,891.07 × 4,492,661.71
  4. Step 4: Simplify right side
    12,168,970.20x = 82,017,542,786,325.81
  5. Step 5: Solve for x
    x = 82,017,542,786,325.81/12,168,970.20
  6. Step 6: Final answer
    x = 6,739,891.83

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