Home / 13,467,274.63-20,203,749.05-4,368,661.78

Finding the Fourth Proportional to 13,467,274.63, 20,203,749.05 and 4,368,661.78

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Solution

The fourth proportional to 13,467,274.63, 20,203,749.05 and 4,368,661.78 is: 6,553,912.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,467,274.63 : 20,203,749.05 = 4,368,661.78 : x
  2. Step 2: Convert to fraction form
    13,467,274.63/20,203,749.05 = 4,368,661.78/x
  3. Step 3: Cross multiply
    13,467,274.63x = 20,203,749.05 × 4,368,661.78
  4. Step 4: Simplify right side
    13,467,274.63x = 88,263,346,164,584.27
  5. Step 5: Solve for x
    x = 88,263,346,164,584.27/13,467,274.63
  6. Step 6: Final answer
    x = 6,553,912.99

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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.