Home / 13,940,369.57-20,902,435.10-5,410,741.52

Finding the Fourth Proportional to 13,940,369.57, 20,902,435.10 and 5,410,741.52

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Solution

The fourth proportional to 13,940,369.57, 20,902,435.10 and 5,410,741.52 is: 8,112,960.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,940,369.57 : 20,902,435.10 = 5,410,741.52 : x
  2. Step 2: Convert to fraction form
    13,940,369.57/20,902,435.10 = 5,410,741.52/x
  3. Step 3: Cross multiply
    13,940,369.57x = 20,902,435.10 × 5,410,741.52
  4. Step 4: Simplify right side
    13,940,369.57x = 113,097,673,333,109.45
  5. Step 5: Solve for x
    x = 113,097,673,333,109.45/13,940,369.57
  6. Step 6: Final answer
    x = 8,112,960.91

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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.