Home / 8,179,765.98-12,272,451.72-2,792,199.78

Finding the Fourth Proportional to 8,179,765.98, 12,272,451.72 and 2,792,199.78

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Solution

The fourth proportional to 8,179,765.98, 12,272,451.72 and 2,792,199.78 is: 4,189,256.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,179,765.98 : 12,272,451.72 = 2,792,199.78 : x
  2. Step 2: Convert to fraction form
    8,179,765.98/12,272,451.72 = 2,792,199.78/x
  3. Step 3: Cross multiply
    8,179,765.98x = 12,272,451.72 × 2,792,199.78
  4. Step 4: Simplify right side
    8,179,765.98x = 34,267,136,992,644.62
  5. Step 5: Solve for x
    x = 34,267,136,992,644.62/8,179,765.98
  6. Step 6: Final answer
    x = 4,189,256.40

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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.