Finding the Fourth Proportional to 7,201,925.87, 9,922,707.56 and 4,750,211.39
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Solution
The fourth proportional to 7,201,925.87, 9,922,707.56 and 4,750,211.39 is: 6,544,771.40
Step by Step Solution
- Step 1: Write the proportion equation
7,201,925.87 : 9,922,707.56 = 4,750,211.39 : x - Step 2: Convert to fraction form
7,201,925.87/9,922,707.56 = 4,750,211.39/x - Step 3: Cross multiply
7,201,925.87x = 9,922,707.56 × 4,750,211.39 - Step 4: Simplify right side
7,201,925.87x = 47,134,958,433,413.09 - Step 5: Solve for x
x = 47,134,958,433,413.09/7,201,925.87 - Step 6: Final answer
x = 6,544,771.40
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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.