Home / 12,383,422.31-18,572,974.28-3,286,439.63

Finding the Fourth Proportional to 12,383,422.31, 18,572,974.28 and 3,286,439.63

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Solution

The fourth proportional to 12,383,422.31, 18,572,974.28 and 3,286,439.63 is: 4,929,086.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,383,422.31 : 18,572,974.28 = 3,286,439.63 : x
  2. Step 2: Convert to fraction form
    12,383,422.31/18,572,974.28 = 3,286,439.63/x
  3. Step 3: Cross multiply
    12,383,422.31x = 18,572,974.28 × 3,286,439.63
  4. Step 4: Simplify right side
    12,383,422.31x = 61,038,958,693,438.45
  5. Step 5: Solve for x
    x = 61,038,958,693,438.45/12,383,422.31
  6. Step 6: Final answer
    x = 4,929,086.42

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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.