Home / 7,245,085.50-9,998,007.12-4,147,504.29

Finding the Fourth Proportional to 7,245,085.50, 9,998,007.12 and 4,147,504.29

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Solution

The fourth proportional to 7,245,085.50, 9,998,007.12 and 4,147,504.29 is: 5,723,435.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,245,085.50 : 9,998,007.12 = 4,147,504.29 : x
  2. Step 2: Convert to fraction form
    7,245,085.50/9,998,007.12 = 4,147,504.29/x
  3. Step 3: Cross multiply
    7,245,085.50x = 9,998,007.12 × 4,147,504.29
  4. Step 4: Simplify right side
    7,245,085.50x = 41,466,777,421,650.54
  5. Step 5: Solve for x
    x = 41,466,777,421,650.54/7,245,085.50
  6. Step 6: Final answer
    x = 5,723,435.21

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Double scale
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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.