Home / 13,899,249.57-20,836,474.07-7,072,004.19

Finding the Fourth Proportional to 13,899,249.57, 20,836,474.07 and 7,072,004.19

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Solution

The fourth proportional to 13,899,249.57, 20,836,474.07 and 7,072,004.19 is: 10,601,696.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,899,249.57 : 20,836,474.07 = 7,072,004.19 : x
  2. Step 2: Convert to fraction form
    13,899,249.57/20,836,474.07 = 7,072,004.19/x
  3. Step 3: Cross multiply
    13,899,249.57x = 20,836,474.07 × 7,072,004.19
  4. Step 4: Simplify right side
    13,899,249.57x = 147,355,632,010,423.12
  5. Step 5: Solve for x
    x = 147,355,632,010,423.12/13,899,249.57
  6. Step 6: Final answer
    x = 10,601,696.96

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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.