Home / 21,550,232.80-29,739,951.20-11,761,305.44

Finding the Fourth Proportional to 21,550,232.80, 29,739,951.20 and 11,761,305.44

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Solution

The fourth proportional to 21,550,232.80, 29,739,951.20 and 11,761,305.44 is: 16,230,945.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,550,232.80 : 29,739,951.20 = 11,761,305.44 : x
  2. Step 2: Convert to fraction form
    21,550,232.80/29,739,951.20 = 11,761,305.44/x
  3. Step 3: Cross multiply
    21,550,232.80x = 29,739,951.20 × 11,761,305.44
  4. Step 4: Simplify right side
    21,550,232.80x = 349,780,649,833,894.50
  5. Step 5: Solve for x
    x = 349,780,649,833,894.50/21,550,232.80
  6. Step 6: Final answer
    x = 16,230,945.30

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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.