Finding the Fourth Proportional to 8,572,543.08, 12,862,413.18 and 5,336,786.94
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Solution
The fourth proportional to 8,572,543.08, 12,862,413.18 and 5,336,786.94 is: 8,007,420.67
Step by Step Solution
- Step 1: Write the proportion equation
8,572,543.08 : 12,862,413.18 = 5,336,786.94 : x - Step 2: Convert to fraction form
8,572,543.08/12,862,413.18 = 5,336,786.94/x - Step 3: Cross multiply
8,572,543.08x = 12,862,413.18 × 5,336,786.94 - Step 4: Simplify right side
8,572,543.08x = 68,643,958,675,907.88 - Step 5: Solve for x
x = 68,643,958,675,907.88/8,572,543.08 - Step 6: Final answer
x = 8,007,420.67
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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.