Home / 8,202,114.30-12,303,171.45-3,419,145.30

Finding the Fourth Proportional to 8,202,114.30, 12,303,171.45 and 3,419,145.30

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Solution

The fourth proportional to 8,202,114.30, 12,303,171.45 and 3,419,145.30 is: 5,128,717.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,202,114.30 : 12,303,171.45 = 3,419,145.30 : x
  2. Step 2: Convert to fraction form
    8,202,114.30/12,303,171.45 = 3,419,145.30/x
  3. Step 3: Cross multiply
    8,202,114.30x = 12,303,171.45 × 3,419,145.30
  4. Step 4: Simplify right side
    8,202,114.30x = 42,066,330,838,361.68
  5. Step 5: Solve for x
    x = 42,066,330,838,361.68/8,202,114.30
  6. Step 6: Final answer
    x = 5,128,717.95

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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.