Finding the Fourth Proportional to 8,907,413.70, 12,292,373.79 and 4,833,032.70
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Solution
The fourth proportional to 8,907,413.70, 12,292,373.79 and 4,833,032.70 is: 6,669,662.65
Step by Step Solution
- Step 1: Write the proportion equation
8,907,413.70 : 12,292,373.79 = 4,833,032.70 : x - Step 2: Convert to fraction form
8,907,413.70/12,292,373.79 = 4,833,032.70/x - Step 3: Cross multiply
8,907,413.70x = 12,292,373.79 × 4,833,032.70 - Step 4: Simplify right side
8,907,413.70x = 59,409,444,487,692.93 - Step 5: Solve for x
x = 59,409,444,487,692.93/8,907,413.70 - Step 6: Final answer
x = 6,669,662.65
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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.