Home / 18,137,958.12-25,033,103.46-13,779,873

Finding the Fourth Proportional to 18,137,958.12, 25,033,103.46 and 13,779,873

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Solution

The fourth proportional to 18,137,958.12, 25,033,103.46 and 13,779,873 is: 19,018,292.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,137,958.12 : 25,033,103.46 = 13,779,873 : x
  2. Step 2: Convert to fraction form
    18,137,958.12/25,033,103.46 = 13,779,873/x
  3. Step 3: Cross multiply
    18,137,958.12x = 25,033,103.46 × 13,779,873
  4. Step 4: Simplify right side
    18,137,958.12x = 344,952,986,474,660.56
  5. Step 5: Solve for x
    x = 344,952,986,474,660.56/18,137,958.12
  6. Step 6: Final answer
    x = 19,018,292.15

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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.