Finding the Fourth Proportional to 8,279,575.99, 11,425,815.41 and 4,608,413.78
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Solution
The fourth proportional to 8,279,575.99, 11,425,815.41 and 4,608,413.78 is: 6,359,611.32
Step by Step Solution
- Step 1: Write the proportion equation
8,279,575.99 : 11,425,815.41 = 4,608,413.78 : x - Step 2: Convert to fraction form
8,279,575.99/11,425,815.41 = 4,608,413.78/x - Step 3: Cross multiply
8,279,575.99x = 11,425,815.41 × 4,608,413.78 - Step 4: Simplify right side
8,279,575.99x = 52,654,885,137,572.31 - Step 5: Solve for x
x = 52,654,885,137,572.31/8,279,575.99 - Step 6: Final answer
x = 6,359,611.32
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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.