Finding the Fourth Proportional to 8,450,809.63, 11,658,413.30 and 4,964,575.12
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Solution
The fourth proportional to 8,450,809.63, 11,658,413.30 and 4,964,575.12 is: 6,848,937.69
Step by Step Solution
- Step 1: Write the proportion equation
8,450,809.63 : 11,658,413.30 = 4,964,575.12 : x - Step 2: Convert to fraction form
8,450,809.63/11,658,413.30 = 4,964,575.12/x - Step 3: Cross multiply
8,450,809.63x = 11,658,413.30 × 4,964,575.12 - Step 4: Simplify right side
8,450,809.63x = 57,879,068,553,888.18 - Step 5: Solve for x
x = 57,879,068,553,888.18/8,450,809.63 - Step 6: Final answer
x = 6,848,937.69
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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.