Home / 14,131,821.20-21,172,848.60-11,593,734.80

Finding the Fourth Proportional to 14,131,821.20, 21,172,848.60 and 11,593,734.80

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Solution

The fourth proportional to 14,131,821.20, 21,172,848.60 and 11,593,734.80 is: 17,370,188.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,131,821.20 : 21,172,848.60 = 11,593,734.80 : x
  2. Step 2: Convert to fraction form
    14,131,821.20/21,172,848.60 = 11,593,734.80/x
  3. Step 3: Cross multiply
    14,131,821.20x = 21,172,848.60 × 11,593,734.80
  4. Step 4: Simplify right side
    14,131,821.20x = 245,472,391,628,951.31
  5. Step 5: Solve for x
    x = 245,472,391,628,951.31/14,131,821.20
  6. Step 6: Final answer
    x = 17,370,188.04

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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.