Home / 13,395,238.54-20,081,061.37-5,313,889.60

Finding the Fourth Proportional to 13,395,238.54, 20,081,061.37 and 5,313,889.60

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Solution

The fourth proportional to 13,395,238.54, 20,081,061.37 and 5,313,889.60 is: 7,966,154.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,395,238.54 : 20,081,061.37 = 5,313,889.60 : x
  2. Step 2: Convert to fraction form
    13,395,238.54/20,081,061.37 = 5,313,889.60/x
  3. Step 3: Cross multiply
    13,395,238.54x = 20,081,061.37 × 5,313,889.60
  4. Step 4: Simplify right side
    13,395,238.54x = 106,708,543,171,004.75
  5. Step 5: Solve for x
    x = 106,708,543,171,004.75/13,395,238.54
  6. Step 6: Final answer
    x = 7,966,154.75

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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.