Home / 13,612,982.76-18,786,042.18-7,501,629.96

Finding the Fourth Proportional to 13,612,982.76, 18,786,042.18 and 7,501,629.96

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Solution

The fourth proportional to 13,612,982.76, 18,786,042.18 and 7,501,629.96 is: 10,352,318.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,612,982.76 : 18,786,042.18 = 7,501,629.96 : x
  2. Step 2: Convert to fraction form
    13,612,982.76/18,786,042.18 = 7,501,629.96/x
  3. Step 3: Cross multiply
    13,612,982.76x = 18,786,042.18 × 7,501,629.96
  4. Step 4: Simplify right side
    13,612,982.76x = 140,925,936,847,311.72
  5. Step 5: Solve for x
    x = 140,925,936,847,311.72/13,612,982.76
  6. Step 6: Final answer
    x = 10,352,318.76

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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.