Home / 19,476,840.80-29,215,261.20-18,647,530.40

Finding the Fourth Proportional to 19,476,840.80, 29,215,261.20 and 18,647,530.40

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Solution

The fourth proportional to 19,476,840.80, 29,215,261.20 and 18,647,530.40 is: 27,971,295.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,476,840.80 : 29,215,261.20 = 18,647,530.40 : x
  2. Step 2: Convert to fraction form
    19,476,840.80/29,215,261.20 = 18,647,530.40/x
  3. Step 3: Cross multiply
    19,476,840.80x = 29,215,261.20 × 18,647,530.40
  4. Step 4: Simplify right side
    19,476,840.80x = 544,792,471,370,940.44
  5. Step 5: Solve for x
    x = 544,792,471,370,940.44/19,476,840.80
  6. Step 6: Final answer
    x = 27,971,295.60

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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.