Finding the Fourth Proportional to 7,281,310.96, 10,048,413.29 and 4,018,331.87
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Solution
The fourth proportional to 7,281,310.96, 10,048,413.29 and 4,018,331.87 is: 5,545,410.65
Step by Step Solution
- Step 1: Write the proportion equation
7,281,310.96 : 10,048,413.29 = 4,018,331.87 : x - Step 2: Convert to fraction form
7,281,310.96/10,048,413.29 = 4,018,331.87/x - Step 3: Cross multiply
7,281,310.96x = 10,048,413.29 × 4,018,331.87 - Step 4: Simplify right side
7,281,310.96x = 40,377,859,366,138.55 - Step 5: Solve for x
x = 40,377,859,366,138.55/7,281,310.96 - Step 6: Final answer
x = 5,545,410.65
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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.