Home / 13,398,348.47-20,106,481.55-5,723,786.84

Finding the Fourth Proportional to 13,398,348.47, 20,106,481.55 and 5,723,786.84

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Solution

The fourth proportional to 13,398,348.47, 20,106,481.55 and 5,723,786.84 is: 8,589,507.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,398,348.47 : 20,106,481.55 = 5,723,786.84 : x
  2. Step 2: Convert to fraction form
    13,398,348.47/20,106,481.55 = 5,723,786.84/x
  3. Step 3: Cross multiply
    13,398,348.47x = 20,106,481.55 × 5,723,786.84
  4. Step 4: Simplify right side
    13,398,348.47x = 115,085,214,365,441.47
  5. Step 5: Solve for x
    x = 115,085,214,365,441.47/13,398,348.47
  6. Step 6: Final answer
    x = 8,589,507.48

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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.