Home / 31,504,076.20-47,256,114.30-18,536,915.80

Finding the Fourth Proportional to 31,504,076.20, 47,256,114.30 and 18,536,915.80

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Solution

The fourth proportional to 31,504,076.20, 47,256,114.30 and 18,536,915.80 is: 27,805,373.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,504,076.20 : 47,256,114.30 = 18,536,915.80 : x
  2. Step 2: Convert to fraction form
    31,504,076.20/47,256,114.30 = 18,536,915.80/x
  3. Step 3: Cross multiply
    31,504,076.20x = 47,256,114.30 × 18,536,915.80
  4. Step 4: Simplify right side
    31,504,076.20x = 875,982,611,814,275.88
  5. Step 5: Solve for x
    x = 875,982,611,814,275.88/31,504,076.20
  6. Step 6: Final answer
    x = 27,805,373.70

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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.