Home / 31,730,789.92-47,596,200.84-20,945,570.08

Finding the Fourth Proportional to 31,730,789.92, 47,596,200.84 and 20,945,570.08

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Solution

The fourth proportional to 31,730,789.92, 47,596,200.84 and 20,945,570.08 is: 31,418,365.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,730,789.92 : 47,596,200.84 = 20,945,570.08 : x
  2. Step 2: Convert to fraction form
    31,730,789.92/47,596,200.84 = 20,945,570.08/x
  3. Step 3: Cross multiply
    31,730,789.92x = 47,596,200.84 × 20,945,570.08
  4. Step 4: Simplify right side
    31,730,789.92x = 996,929,560,235,974.88
  5. Step 5: Solve for x
    x = 996,929,560,235,974.88/31,730,789.92
  6. Step 6: Final answer
    x = 31,418,365.66

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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.