Finding the Fourth Proportional to 36,151,471.24, 49,888,968.42 and 19,853,947.24
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Solution
The fourth proportional to 36,151,471.24, 49,888,968.42 and 19,853,947.24 is: 27,398,413.20
Step by Step Solution
- Step 1: Write the proportion equation
36,151,471.24 : 49,888,968.42 = 19,853,947.24 : x - Step 2: Convert to fraction form
36,151,471.24/49,888,968.42 = 19,853,947.24/x - Step 3: Cross multiply
36,151,471.24x = 49,888,968.42 × 19,853,947.24 - Step 4: Simplify right side
36,151,471.24x = 990,492,946,868,706.12 - Step 5: Solve for x
x = 990,492,946,868,706.12/36,151,471.24 - Step 6: Final answer
x = 27,398,413.20
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1.5x scale
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.