Home / 39,975,912.06-55,166,777.10-21,641,197.56

Finding the Fourth Proportional to 39,975,912.06, 55,166,777.10 and 21,641,197.56

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Solution

The fourth proportional to 39,975,912.06, 55,166,777.10 and 21,641,197.56 is: 29,864,862.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,975,912.06 : 55,166,777.10 = 21,641,197.56 : x
  2. Step 2: Convert to fraction form
    39,975,912.06/55,166,777.10 = 21,641,197.56/x
  3. Step 3: Cross multiply
    39,975,912.06x = 55,166,777.10 × 21,641,197.56
  4. Step 4: Simplify right side
    39,975,912.06x = 1,193,875,121,969,583.75
  5. Step 5: Solve for x
    x = 1,193,875,121,969,583.75/39,975,912.06
  6. Step 6: Final answer
    x = 29,864,862.62

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