Home / 19,476,846.80-29,215,270.20-18,647,536.40

Finding the Fourth Proportional to 19,476,846.80, 29,215,270.20 and 18,647,536.40

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Solution

The fourth proportional to 19,476,846.80, 29,215,270.20 and 18,647,536.40 is: 27,971,304.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,476,846.80 : 29,215,270.20 = 18,647,536.40 : x
  2. Step 2: Convert to fraction form
    19,476,846.80/29,215,270.20 = 18,647,536.40/x
  3. Step 3: Cross multiply
    19,476,846.80x = 29,215,270.20 × 18,647,536.40
  4. Step 4: Simplify right side
    19,476,846.80x = 544,792,814,490,335.25
  5. Step 5: Solve for x
    x = 544,792,814,490,335.25/19,476,846.80
  6. Step 6: Final answer
    x = 27,971,304.60

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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.