Home / 31,925,959.80-47,888,939.70-21,722,292.60

Finding the Fourth Proportional to 31,925,959.80, 47,888,939.70 and 21,722,292.60

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Solution

The fourth proportional to 31,925,959.80, 47,888,939.70 and 21,722,292.60 is: 32,583,438.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,925,959.80 : 47,888,939.70 = 21,722,292.60 : x
  2. Step 2: Convert to fraction form
    31,925,959.80/47,888,939.70 = 21,722,292.60/x
  3. Step 3: Cross multiply
    31,925,959.80x = 47,888,939.70 × 21,722,292.60
  4. Step 4: Simplify right side
    31,925,959.80x = 1,040,257,560,467,156.38
  5. Step 5: Solve for x
    x = 1,040,257,560,467,156.38/31,925,959.80
  6. Step 6: Final answer
    x = 32,583,438.90

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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.