Home / 14,785,915.20-22,145,695.20-12,131,707.20

Finding the Fourth Proportional to 14,785,915.20, 22,145,695.20 and 12,131,707.20

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Solution

The fourth proportional to 14,785,915.20, 22,145,695.20 and 12,131,707.20 is: 18,170,338.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,785,915.20 : 22,145,695.20 = 12,131,707.20 : x
  2. Step 2: Convert to fraction form
    14,785,915.20/22,145,695.20 = 12,131,707.20/x
  3. Step 3: Cross multiply
    14,785,915.20x = 22,145,695.20 × 12,131,707.20
  4. Step 4: Simplify right side
    14,785,915.20x = 268,665,089,906,845.41
  5. Step 5: Solve for x
    x = 268,665,089,906,845.41/14,785,915.20
  6. Step 6: Final answer
    x = 18,170,338.88

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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.