Home / 21,139,938.40-31,695,910.80-7,675,016.80

Finding the Fourth Proportional to 21,139,938.40, 31,695,910.80 and 7,675,016.80

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Solution

The fourth proportional to 21,139,938.40, 31,695,910.80 and 7,675,016.80 is: 11,507,443.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,139,938.40 : 31,695,910.80 = 7,675,016.80 : x
  2. Step 2: Convert to fraction form
    21,139,938.40/31,695,910.80 = 7,675,016.80/x
  3. Step 3: Cross multiply
    21,139,938.40x = 31,695,910.80 × 7,675,016.80
  4. Step 4: Simplify right side
    21,139,938.40x = 243,266,647,881,301.44
  5. Step 5: Solve for x
    x = 243,266,647,881,301.44/21,139,938.40
  6. Step 6: Final answer
    x = 11,507,443.55

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