Home / 47,469,256.80-71,215,823.52-21,928,336.80

Finding the Fourth Proportional to 47,469,256.80, 71,215,823.52 and 21,928,336.80

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Solution

The fourth proportional to 47,469,256.80, 71,215,823.52 and 21,928,336.80 is: 32,898,020.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,469,256.80 : 71,215,823.52 = 21,928,336.80 : x
  2. Step 2: Convert to fraction form
    47,469,256.80/71,215,823.52 = 21,928,336.80/x
  3. Step 3: Cross multiply
    47,469,256.80x = 71,215,823.52 × 21,928,336.80
  4. Step 4: Simplify right side
    47,469,256.80x = 1,561,644,563,635,921.50
  5. Step 5: Solve for x
    x = 1,561,644,563,635,921.50/47,469,256.80
  6. Step 6: Final answer
    x = 32,898,020.09

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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.