Home / 18,846,046.40-28,274,318.40-9,261,737.60

Finding the Fourth Proportional to 18,846,046.40, 28,274,318.40 and 9,261,737.60

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Solution

The fourth proportional to 18,846,046.40, 28,274,318.40 and 9,261,737.60 is: 13,895,185.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,846,046.40 : 28,274,318.40 = 9,261,737.60 : x
  2. Step 2: Convert to fraction form
    18,846,046.40/28,274,318.40 = 9,261,737.60/x
  3. Step 3: Cross multiply
    18,846,046.40x = 28,274,318.40 × 9,261,737.60
  4. Step 4: Simplify right side
    18,846,046.40x = 261,869,317,839,651.81
  5. Step 5: Solve for x
    x = 261,869,317,839,651.81/18,846,046.40
  6. Step 6: Final answer
    x = 13,895,185.88

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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.