Home / 13,345,091.75-20,017,640.34-3,759,224.72

Finding the Fourth Proportional to 13,345,091.75, 20,017,640.34 and 3,759,224.72

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Solution

The fourth proportional to 13,345,091.75, 20,017,640.34 and 3,759,224.72 is: 5,638,837.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,345,091.75 : 20,017,640.34 = 3,759,224.72 : x
  2. Step 2: Convert to fraction form
    13,345,091.75/20,017,640.34 = 3,759,224.72/x
  3. Step 3: Cross multiply
    13,345,091.75x = 20,017,640.34 × 3,759,224.72
  4. Step 4: Simplify right side
    13,345,091.75x = 75,250,808,302,109
  5. Step 5: Solve for x
    x = 75,250,808,302,109/13,345,091.75
  6. Step 6: Final answer
    x = 5,638,837.84

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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.