Home / 5,187,930.72-7,107,432-4,993,926.20

Finding the Fourth Proportional to 5,187,930.72, 7,107,432 and 4,993,926.20

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Solution

The fourth proportional to 5,187,930.72, 7,107,432 and 4,993,926.20 is: 6,841,647.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,187,930.72 : 7,107,432 = 4,993,926.20 : x
  2. Step 2: Convert to fraction form
    5,187,930.72/7,107,432 = 4,993,926.20/x
  3. Step 3: Cross multiply
    5,187,930.72x = 7,107,432 × 4,993,926.20
  4. Step 4: Simplify right side
    5,187,930.72x = 35,493,990,879,518.40
  5. Step 5: Solve for x
    x = 35,493,990,879,518.40/5,187,930.72
  6. Step 6: Final answer
    x = 6,841,647.04

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.