Home / 7,679,558.24-11,519,998.86-1,999,792.88

Finding the Fourth Proportional to 7,679,558.24, 11,519,998.86 and 1,999,792.88

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Solution

The fourth proportional to 7,679,558.24, 11,519,998.86 and 1,999,792.88 is: 2,999,861.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,679,558.24 : 11,519,998.86 = 1,999,792.88 : x
  2. Step 2: Convert to fraction form
    7,679,558.24/11,519,998.86 = 1,999,792.88/x
  3. Step 3: Cross multiply
    7,679,558.24x = 11,519,998.86 × 1,999,792.88
  4. Step 4: Simplify right side
    7,679,558.24x = 23,037,611,697,836.11
  5. Step 5: Solve for x
    x = 23,037,611,697,836.11/7,679,558.24
  6. Step 6: Final answer
    x = 2,999,861.58

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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.