Finding the Fourth Proportional to 8,236,413.90, 12,354,620.85 and 6,110,649.90
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Solution
The fourth proportional to 8,236,413.90, 12,354,620.85 and 6,110,649.90 is: 9,165,974.85
Step by Step Solution
- Step 1: Write the proportion equation
8,236,413.90 : 12,354,620.85 = 6,110,649.90 : x - Step 2: Convert to fraction form
8,236,413.90/12,354,620.85 = 6,110,649.90/x - Step 3: Cross multiply
8,236,413.90x = 12,354,620.85 × 6,110,649.90 - Step 4: Simplify right side
8,236,413.90x = 75,494,762,661,590.42 - Step 5: Solve for x
x = 75,494,762,661,590.42/8,236,413.90 - Step 6: Final answer
x = 9,165,974.85
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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.