Home / 21,834,973-30,122,523.30-12,662,304.04

Finding the Fourth Proportional to 21,834,973, 30,122,523.30 and 12,662,304.04

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Solution

The fourth proportional to 21,834,973, 30,122,523.30 and 12,662,304.04 is: 17,468,331.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,834,973 : 30,122,523.30 = 12,662,304.04 : x
  2. Step 2: Convert to fraction form
    21,834,973/30,122,523.30 = 12,662,304.04/x
  3. Step 3: Cross multiply
    21,834,973x = 30,122,523.30 × 12,662,304.04
  4. Step 4: Simplify right side
    21,834,973x = 381,420,548,476,584.12
  5. Step 5: Solve for x
    x = 381,420,548,476,584.12/21,834,973
  6. Step 6: Final answer
    x = 17,468,331.58

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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.