Home / 7,831,318.23-11,758,508.72-4,379,820.18

Finding the Fourth Proportional to 7,831,318.23, 11,758,508.72 and 4,379,820.18

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Solution

The fourth proportional to 7,831,318.23, 11,758,508.72 and 4,379,820.18 is: 6,576,179.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,831,318.23 : 11,758,508.72 = 4,379,820.18 : x
  2. Step 2: Convert to fraction form
    7,831,318.23/11,758,508.72 = 4,379,820.18/x
  3. Step 3: Cross multiply
    7,831,318.23x = 11,758,508.72 × 4,379,820.18
  4. Step 4: Simplify right side
    7,831,318.23x = 51,500,153,758,010.56
  5. Step 5: Solve for x
    x = 51,500,153,758,010.56/7,831,318.23
  6. Step 6: Final answer
    x = 6,576,179.42

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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.