Home / 21,762,525.72-30,032,286.66-11,972,760.42

Finding the Fourth Proportional to 21,762,525.72, 30,032,286.66 and 11,972,760.42

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Solution

The fourth proportional to 21,762,525.72, 30,032,286.66 and 11,972,760.42 is: 16,522,410.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,762,525.72 : 30,032,286.66 = 11,972,760.42 : x
  2. Step 2: Convert to fraction form
    21,762,525.72/30,032,286.66 = 11,972,760.42/x
  3. Step 3: Cross multiply
    21,762,525.72x = 30,032,286.66 × 11,972,760.42
  4. Step 4: Simplify right side
    21,762,525.72x = 359,569,373,044,942
  5. Step 5: Solve for x
    x = 359,569,373,044,942/21,762,525.72
  6. Step 6: Final answer
    x = 16,522,410.02

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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.