Home / 7,261,448.46-10,020,716.19-3,998,194.98

Finding the Fourth Proportional to 7,261,448.46, 10,020,716.19 and 3,998,194.98

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Solution

The fourth proportional to 7,261,448.46, 10,020,716.19 and 3,998,194.98 is: 5,517,463.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261,448.46 : 10,020,716.19 = 3,998,194.98 : x
  2. Step 2: Convert to fraction form
    7,261,448.46/10,020,716.19 = 3,998,194.98/x
  3. Step 3: Cross multiply
    7,261,448.46x = 10,020,716.19 × 3,998,194.98
  4. Step 4: Simplify right side
    7,261,448.46x = 40,064,777,166,862.73
  5. Step 5: Solve for x
    x = 40,064,777,166,862.73/7,261,448.46
  6. Step 6: Final answer
    x = 5,517,463.55

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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.