Home / 8,086,728.60-12,096,915.30-7,290,466.20

Finding the Fourth Proportional to 8,086,728.60, 12,096,915.30 and 7,290,466.20

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Solution

The fourth proportional to 8,086,728.60, 12,096,915.30 and 7,290,466.20 is: 10,905,788.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,086,728.60 : 12,096,915.30 = 7,290,466.20 : x
  2. Step 2: Convert to fraction form
    8,086,728.60/12,096,915.30 = 7,290,466.20/x
  3. Step 3: Cross multiply
    8,086,728.60x = 12,096,915.30 × 7,290,466.20
  4. Step 4: Simplify right side
    8,086,728.60x = 88,192,152,118,912.88
  5. Step 5: Solve for x
    x = 88,192,152,118,912.88/8,086,728.60
  6. Step 6: Final answer
    x = 10,905,788.54

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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.