Home / 13,908,682.20-20,873,391.30-7,173,629.40

Finding the Fourth Proportional to 13,908,682.20, 20,873,391.30 and 7,173,629.40

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Solution

The fourth proportional to 13,908,682.20, 20,873,391.30 and 7,173,629.40 is: 10,765,791.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,908,682.20 : 20,873,391.30 = 7,173,629.40 : x
  2. Step 2: Convert to fraction form
    13,908,682.20/20,873,391.30 = 7,173,629.40/x
  3. Step 3: Cross multiply
    13,908,682.20x = 20,873,391.30 × 7,173,629.40
  4. Step 4: Simplify right side
    13,908,682.20x = 149,737,973,507,384.22
  5. Step 5: Solve for x
    x = 149,737,973,507,384.22/13,908,682.20
  6. Step 6: Final answer
    x = 10,765,791.56

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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.