Home / 21,325,573.26-29,398,682.43-15,203,372.94

Finding the Fourth Proportional to 21,325,573.26, 29,398,682.43 and 15,203,372.94

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Solution

The fourth proportional to 21,325,573.26, 29,398,682.43 and 15,203,372.94 is: 20,958,833.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,325,573.26 : 29,398,682.43 = 15,203,372.94 : x
  2. Step 2: Convert to fraction form
    21,325,573.26/29,398,682.43 = 15,203,372.94/x
  3. Step 3: Cross multiply
    21,325,573.26x = 29,398,682.43 × 15,203,372.94
  4. Step 4: Simplify right side
    21,325,573.26x = 446,959,132,927,915.44
  5. Step 5: Solve for x
    x = 446,959,132,927,915.44/21,325,573.26
  6. Step 6: Final answer
    x = 20,958,833.20

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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.