Finding the Fourth Proportional to 7,402,413.40, 11,103,620.10 and 2,354,234.20
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Solution
The fourth proportional to 7,402,413.40, 11,103,620.10 and 2,354,234.20 is: 3,531,351.30
Step by Step Solution
- Step 1: Write the proportion equation
7,402,413.40 : 11,103,620.10 = 2,354,234.20 : x - Step 2: Convert to fraction form
7,402,413.40/11,103,620.10 = 2,354,234.20/x - Step 3: Cross multiply
7,402,413.40x = 11,103,620.10 × 2,354,234.20 - Step 4: Simplify right side
7,402,413.40x = 26,140,522,183,227.42 - Step 5: Solve for x
x = 26,140,522,183,227.42/7,402,413.40 - Step 6: Final answer
x = 3,531,351.30
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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.