Home / 20,898,834-31,360,211.40-8,117,685.12

Finding the Fourth Proportional to 20,898,834, 31,360,211.40 and 8,117,685.12

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Solution

The fourth proportional to 20,898,834, 31,360,211.40 and 8,117,685.12 is: 12,181,173.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,898,834 : 31,360,211.40 = 8,117,685.12 : x
  2. Step 2: Convert to fraction form
    20,898,834/31,360,211.40 = 8,117,685.12/x
  3. Step 3: Cross multiply
    20,898,834x = 31,360,211.40 × 8,117,685.12
  4. Step 4: Simplify right side
    20,898,834x = 254,572,321,441,834.38
  5. Step 5: Solve for x
    x = 254,572,321,441,834.38/20,898,834
  6. Step 6: Final answer
    x = 12,181,173.43

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