Home / 16,856,433.38-23,261,939.34-9,121,475.68

Finding the Fourth Proportional to 16,856,433.38, 23,261,939.34 and 9,121,475.68

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Solution

The fourth proportional to 16,856,433.38, 23,261,939.34 and 9,121,475.68 is: 12,587,669.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,856,433.38 : 23,261,939.34 = 9,121,475.68 : x
  2. Step 2: Convert to fraction form
    16,856,433.38/23,261,939.34 = 9,121,475.68/x
  3. Step 3: Cross multiply
    16,856,433.38x = 23,261,939.34 × 9,121,475.68
  4. Step 4: Simplify right side
    16,856,433.38x = 212,183,213,867,084.88
  5. Step 5: Solve for x
    x = 212,183,213,867,084.88/16,856,433.38
  6. Step 6: Final answer
    x = 12,587,669.59

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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.