Home / 21,572,955.09-29,770,644.74-11,783,399.37

Finding the Fourth Proportional to 21,572,955.09, 29,770,644.74 and 11,783,399.37

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Solution

The fourth proportional to 21,572,955.09, 29,770,644.74 and 11,783,399.37 is: 16,261,072.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,572,955.09 : 29,770,644.74 = 11,783,399.37 : x
  2. Step 2: Convert to fraction form
    21,572,955.09/29,770,644.74 = 11,783,399.37/x
  3. Step 3: Cross multiply
    21,572,955.09x = 29,770,644.74 × 11,783,399.37
  4. Step 4: Simplify right side
    21,572,955.09x = 350,799,396,414,892.81
  5. Step 5: Solve for x
    x = 350,799,396,414,892.81/21,572,955.09
  6. Step 6: Final answer
    x = 16,261,072.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.