Home / 13,667,715.92-20,501,772.60-3,570,338

Finding the Fourth Proportional to 13,667,715.92, 20,501,772.60 and 3,570,338

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Solution

The fourth proportional to 13,667,715.92, 20,501,772.60 and 3,570,338 is: 5,355,558.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,667,715.92 : 20,501,772.60 = 3,570,338 : x
  2. Step 2: Convert to fraction form
    13,667,715.92/20,501,772.60 = 3,570,338/x
  3. Step 3: Cross multiply
    13,667,715.92x = 20,501,772.60 × 3,570,338
  4. Step 4: Simplify right side
    13,667,715.92x = 73,198,257,781,138.81
  5. Step 5: Solve for x
    x = 73,198,257,781,138.81/13,667,715.92
  6. Step 6: Final answer
    x = 5,355,558.91

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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.