Home / 18,192,290.85-25,105,231.39-9,932,352.86

Finding the Fourth Proportional to 18,192,290.85, 25,105,231.39 and 9,932,352.86

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Solution

The fourth proportional to 18,192,290.85, 25,105,231.39 and 9,932,352.86 is: 13,706,575.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,192,290.85 : 25,105,231.39 = 9,932,352.86 : x
  2. Step 2: Convert to fraction form
    18,192,290.85/25,105,231.39 = 9,932,352.86/x
  3. Step 3: Cross multiply
    18,192,290.85x = 25,105,231.39 × 9,932,352.86
  4. Step 4: Simplify right side
    18,192,290.85x = 249,354,016,747,766.50
  5. Step 5: Solve for x
    x = 249,354,016,747,766.50/18,192,290.85
  6. Step 6: Final answer
    x = 13,706,575.98

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1.5x scale

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.