Home / 21,384,157.35-32,076,236.03-20,959,004.55

Finding the Fourth Proportional to 21,384,157.35, 32,076,236.03 and 20,959,004.55

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Solution

The fourth proportional to 21,384,157.35, 32,076,236.03 and 20,959,004.55 is: 31,438,506.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,384,157.35 : 32,076,236.03 = 20,959,004.55 : x
  2. Step 2: Convert to fraction form
    21,384,157.35/32,076,236.03 = 20,959,004.55/x
  3. Step 3: Cross multiply
    21,384,157.35x = 32,076,236.03 × 20,959,004.55
  4. Step 4: Simplify right side
    21,384,157.35x = 672,285,976,794,848.88
  5. Step 5: Solve for x
    x = 672,285,976,794,848.88/21,384,157.35
  6. Step 6: Final answer
    x = 31,438,506.83

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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.