Home / 7,831,321.90-11,758,514.23-4,379,823.85

Finding the Fourth Proportional to 7,831,321.90, 11,758,514.23 and 4,379,823.85

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Solution

The fourth proportional to 7,831,321.90, 11,758,514.23 and 4,379,823.85 is: 6,576,184.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,831,321.90 : 11,758,514.23 = 4,379,823.85 : x
  2. Step 2: Convert to fraction form
    7,831,321.90/11,758,514.23 = 4,379,823.85/x
  3. Step 3: Cross multiply
    7,831,321.90x = 11,758,514.23 × 4,379,823.85
  4. Step 4: Simplify right side
    7,831,321.90x = 51,500,221,065,118.38
  5. Step 5: Solve for x
    x = 51,500,221,065,118.38/7,831,321.90
  6. Step 6: Final answer
    x = 6,576,184.93

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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.