Home / 18,394,385.85-25,383,038.04-11,047,853.79

Finding the Fourth Proportional to 18,394,385.85, 25,383,038.04 and 11,047,853.79

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Solution

The fourth proportional to 18,394,385.85, 25,383,038.04 and 11,047,853.79 is: 15,245,308.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,394,385.85 : 25,383,038.04 = 11,047,853.79 : x
  2. Step 2: Convert to fraction form
    18,394,385.85/25,383,038.04 = 11,047,853.79/x
  3. Step 3: Cross multiply
    18,394,385.85x = 25,383,038.04 × 11,047,853.79
  4. Step 4: Simplify right side
    18,394,385.85x = 280,428,093,011,928.12
  5. Step 5: Solve for x
    x = 280,428,093,011,928.12/18,394,385.85
  6. Step 6: Final answer
    x = 15,245,308.83

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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.