Finding the Fourth Proportional to 8,394,413.80, 12,591,620.70 and 2,329,133.80
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Solution
The fourth proportional to 8,394,413.80, 12,591,620.70 and 2,329,133.80 is: 3,493,700.70
Step by Step Solution
- Step 1: Write the proportion equation
8,394,413.80 : 12,591,620.70 = 2,329,133.80 : x - Step 2: Convert to fraction form
8,394,413.80/12,591,620.70 = 2,329,133.80/x - Step 3: Cross multiply
8,394,413.80x = 12,591,620.70 × 2,329,133.80 - Step 4: Simplify right side
8,394,413.80x = 29,327,569,369,149.66 - Step 5: Solve for x
x = 29,327,569,369,149.66/8,394,413.80 - Step 6: Final answer
x = 3,493,700.70
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Double scale
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.