Home / 7,193,499.08-9,926,912.88-3,930,243.80

Finding the Fourth Proportional to 7,193,499.08, 9,926,912.88 and 3,930,243.80

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Solution

The fourth proportional to 7,193,499.08, 9,926,912.88 and 3,930,243.80 is: 5,423,673.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,193,499.08 : 9,926,912.88 = 3,930,243.80 : x
  2. Step 2: Convert to fraction form
    7,193,499.08/9,926,912.88 = 3,930,243.80/x
  3. Step 3: Cross multiply
    7,193,499.08x = 9,926,912.88 × 3,930,243.80
  4. Step 4: Simplify right side
    7,193,499.08x = 39,015,187,799,760.15
  5. Step 5: Solve for x
    x = 39,015,187,799,760.15/7,193,499.08
  6. Step 6: Final answer
    x = 5,423,673.15

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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.