Home / 26,862,428.80-40,207,912.80-21,193,724.80

Finding the Fourth Proportional to 26,862,428.80, 40,207,912.80 and 21,193,724.80

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Solution

The fourth proportional to 26,862,428.80, 40,207,912.80 and 21,193,724.80 is: 31,722,948.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,862,428.80 : 40,207,912.80 = 21,193,724.80 : x
  2. Step 2: Convert to fraction form
    26,862,428.80/40,207,912.80 = 21,193,724.80/x
  3. Step 3: Cross multiply
    26,862,428.80x = 40,207,912.80 × 21,193,724.80
  4. Step 4: Simplify right side
    26,862,428.80x = 852,155,438,665,597.38
  5. Step 5: Solve for x
    x = 852,155,438,665,597.38/26,862,428.80
  6. Step 6: Final answer
    x = 31,722,948.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.