Home / 12,472,221.42-17,223,551.46-11,792,936.88

Finding the Fourth Proportional to 12,472,221.42, 17,223,551.46 and 11,792,936.88

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Solution

The fourth proportional to 12,472,221.42, 17,223,551.46 and 11,792,936.88 is: 16,285,491.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,472,221.42 : 17,223,551.46 = 11,792,936.88 : x
  2. Step 2: Convert to fraction form
    12,472,221.42/17,223,551.46 = 11,792,936.88/x
  3. Step 3: Cross multiply
    12,472,221.42x = 17,223,551.46 × 11,792,936.88
  4. Step 4: Simplify right side
    12,472,221.42x = 203,116,255,217,211.88
  5. Step 5: Solve for x
    x = 203,116,255,217,211.88/12,472,221.42
  6. Step 6: Final answer
    x = 16,285,491.44

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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.