Home / 7,831,321.22-11,758,513.20-4,379,823.17

Finding the Fourth Proportional to 7,831,321.22, 11,758,513.20 and 4,379,823.17

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Solution

The fourth proportional to 7,831,321.22, 11,758,513.20 and 4,379,823.17 is: 6,576,183.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,831,321.22 : 11,758,513.20 = 4,379,823.17 : x
  2. Step 2: Convert to fraction form
    7,831,321.22/11,758,513.20 = 4,379,823.17/x
  3. Step 3: Cross multiply
    7,831,321.22x = 11,758,513.20 × 4,379,823.17
  4. Step 4: Simplify right side
    7,831,321.22x = 51,500,208,558,110.84
  5. Step 5: Solve for x
    x = 51,500,208,558,110.84/7,831,321.22
  6. Step 6: Final answer
    x = 6,576,183.90

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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.