Finding the Fourth Proportional to 11,505,413.16, 17,264,713.90 and 4,680,726.84
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Solution
The fourth proportional to 11,505,413.16, 17,264,713.90 and 4,680,726.84 is: 7,023,772.95
Step by Step Solution
- Step 1: Write the proportion equation
11,505,413.16 : 17,264,713.90 = 4,680,726.84 : x - Step 2: Convert to fraction form
11,505,413.16/17,264,713.90 = 4,680,726.84/x - Step 3: Cross multiply
11,505,413.16x = 17,264,713.90 × 4,680,726.84 - Step 4: Simplify right side
11,505,413.16x = 80,811,409,736,651.06 - Step 5: Solve for x
x = 80,811,409,736,651.06/11,505,413.16 - Step 6: Final answer
x = 7,023,772.95
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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.