Home / 18,271,330.80-27,410,452.85-7,342,371.20

Finding the Fourth Proportional to 18,271,330.80, 27,410,452.85 and 7,342,371.20

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Solution

The fourth proportional to 18,271,330.80, 27,410,452.85 and 7,342,371.20 is: 11,014,945.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,271,330.80 : 27,410,452.85 = 7,342,371.20 : x
  2. Step 2: Convert to fraction form
    18,271,330.80/27,410,452.85 = 7,342,371.20/x
  3. Step 3: Cross multiply
    18,271,330.80x = 27,410,452.85 × 7,342,371.20
  4. Step 4: Simplify right side
    18,271,330.80x = 201,257,719,448,361.06
  5. Step 5: Solve for x
    x = 201,257,719,448,361.06/18,271,330.80
  6. Step 6: Final answer
    x = 11,014,945.85

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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.