Home / 8,018,998.20-12,038,761.62-6,888,989.88

Finding the Fourth Proportional to 8,018,998.20, 12,038,761.62 and 6,888,989.88

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Solution

The fourth proportional to 8,018,998.20, 12,038,761.62 and 6,888,989.88 is: 10,342,302.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,018,998.20 : 12,038,761.62 = 6,888,989.88 : x
  2. Step 2: Convert to fraction form
    8,018,998.20/12,038,761.62 = 6,888,989.88/x
  3. Step 3: Cross multiply
    8,018,998.20x = 12,038,761.62 × 6,888,989.88
  4. Step 4: Simplify right side
    8,018,998.20x = 82,934,906,967,912.41
  5. Step 5: Solve for x
    x = 82,934,906,967,912.41/8,018,998.20
  6. Step 6: Final answer
    x = 10,342,302.73

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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.