Home / 31,738,510.80-47,607,766.20-7,803,982.80

Finding the Fourth Proportional to 31,738,510.80, 47,607,766.20 and 7,803,982.80

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Solution

The fourth proportional to 31,738,510.80, 47,607,766.20 and 7,803,982.80 is: 11,705,974.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,738,510.80 : 47,607,766.20 = 7,803,982.80 : x
  2. Step 2: Convert to fraction form
    31,738,510.80/47,607,766.20 = 7,803,982.80/x
  3. Step 3: Cross multiply
    31,738,510.80x = 47,607,766.20 × 7,803,982.80
  4. Step 4: Simplify right side
    31,738,510.80x = 371,530,188,571,221.38
  5. Step 5: Solve for x
    x = 371,530,188,571,221.38/31,738,510.80
  6. Step 6: Final answer
    x = 11,705,974.20

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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.