Home / 13,304,318.80-19,968,142.20-7,906,219.60

Finding the Fourth Proportional to 13,304,318.80, 19,968,142.20 and 7,906,219.60

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Solution

The fourth proportional to 13,304,318.80, 19,968,142.20 and 7,906,219.60 is: 11,866,260.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,304,318.80 : 19,968,142.20 = 7,906,219.60 : x
  2. Step 2: Convert to fraction form
    13,304,318.80/19,968,142.20 = 7,906,219.60/x
  3. Step 3: Cross multiply
    13,304,318.80x = 19,968,142.20 × 7,906,219.60
  4. Step 4: Simplify right side
    13,304,318.80x = 157,872,517,237,227.09
  5. Step 5: Solve for x
    x = 157,872,517,237,227.09/13,304,318.80
  6. Step 6: Final answer
    x = 11,866,260.84

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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.