Home / 13,271,170.22-18,313,046.78-7,390,360.04

Finding the Fourth Proportional to 13,271,170.22, 18,313,046.78 and 7,390,360.04

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Solution

The fourth proportional to 13,271,170.22, 18,313,046.78 and 7,390,360.04 is: 10,198,046.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,271,170.22 : 18,313,046.78 = 7,390,360.04 : x
  2. Step 2: Convert to fraction form
    13,271,170.22/18,313,046.78 = 7,390,360.04/x
  3. Step 3: Cross multiply
    13,271,170.22x = 18,313,046.78 × 7,390,360.04
  4. Step 4: Simplify right side
    13,271,170.22x = 135,340,009,133,562.69
  5. Step 5: Solve for x
    x = 135,340,009,133,562.69/13,271,170.22
  6. Step 6: Final answer
    x = 10,198,046.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.