Home / 21,969,467.45-32,959,680.74-15,505,169.88

Finding the Fourth Proportional to 21,969,467.45, 32,959,680.74 and 15,505,169.88

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Solution

The fourth proportional to 21,969,467.45, 32,959,680.74 and 15,505,169.88 is: 23,261,622.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,969,467.45 : 32,959,680.74 = 15,505,169.88 : x
  2. Step 2: Convert to fraction form
    21,969,467.45/32,959,680.74 = 15,505,169.88/x
  3. Step 3: Cross multiply
    21,969,467.45x = 32,959,680.74 × 15,505,169.88
  4. Step 4: Simplify right side
    21,969,467.45x = 511,045,449,064,264.12
  5. Step 5: Solve for x
    x = 511,045,449,064,264.12/21,969,467.45
  6. Step 6: Final answer
    x = 23,261,622.08

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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.