Home / 16,912,379.90-23,339,147.10-9,177,423.86

Finding the Fourth Proportional to 16,912,379.90, 23,339,147.10 and 9,177,423.86

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Solution

The fourth proportional to 16,912,379.90, 23,339,147.10 and 9,177,423.86 is: 12,664,879.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,912,379.90 : 23,339,147.10 = 9,177,423.86 : x
  2. Step 2: Convert to fraction form
    16,912,379.90/23,339,147.10 = 9,177,423.86/x
  3. Step 3: Cross multiply
    16,912,379.90x = 23,339,147.10 × 9,177,423.86
  4. Step 4: Simplify right side
    16,912,379.90x = 214,193,245,467,589.81
  5. Step 5: Solve for x
    x = 214,193,245,467,589.81/16,912,379.90
  6. Step 6: Final answer
    x = 12,664,879.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.