Finding the Fourth Proportional to 10,881,413.64, 15,016,350.24 and 5,986,530.18
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Solution
The fourth proportional to 10,881,413.64, 15,016,350.24 and 5,986,530.18 is: 8,261,411.33
Step by Step Solution
- Step 1: Write the proportion equation
10,881,413.64 : 15,016,350.24 = 5,986,530.18 : x - Step 2: Convert to fraction form
10,881,413.64/15,016,350.24 = 5,986,530.18/x - Step 3: Cross multiply
10,881,413.64x = 15,016,350.24 × 5,986,530.18 - Step 4: Simplify right side
10,881,413.64x = 89,895,833,905,210.23 - Step 5: Solve for x
x = 89,895,833,905,210.23/10,881,413.64 - Step 6: Final answer
x = 8,261,411.33
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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.