Home / 7,207,172.29-9,945,220.66-4,879,329.49

Finding the Fourth Proportional to 7,207,172.29, 9,945,220.66 and 4,879,329.49

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Solution

The fourth proportional to 7,207,172.29, 9,945,220.66 and 4,879,329.49 is: 6,733,016.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,207,172.29 : 9,945,220.66 = 4,879,329.49 : x
  2. Step 2: Convert to fraction form
    7,207,172.29/9,945,220.66 = 4,879,329.49/x
  3. Step 3: Cross multiply
    7,207,172.29x = 9,945,220.66 × 4,879,329.49
  4. Step 4: Simplify right side
    7,207,172.29x = 48,526,008,450,895.27
  5. Step 5: Solve for x
    x = 48,526,008,450,895.27/7,207,172.29
  6. Step 6: Final answer
    x = 6,733,016.29

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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.