Home / 21,294,403.80-31,941,605.70-13,216,500.60

Finding the Fourth Proportional to 21,294,403.80, 31,941,605.70 and 13,216,500.60

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Solution

The fourth proportional to 21,294,403.80, 31,941,605.70 and 13,216,500.60 is: 19,824,750.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,294,403.80 : 31,941,605.70 = 13,216,500.60 : x
  2. Step 2: Convert to fraction form
    21,294,403.80/31,941,605.70 = 13,216,500.60/x
  3. Step 3: Cross multiply
    21,294,403.80x = 31,941,605.70 × 13,216,500.60
  4. Step 4: Simplify right side
    21,294,403.80x = 422,156,250,899,013.38
  5. Step 5: Solve for x
    x = 422,156,250,899,013.38/21,294,403.80
  6. Step 6: Final answer
    x = 19,824,750.90

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