Finding the Fourth Proportional to 19,659,794.10, 29,489,665.77 and 5,282,862.06
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Solution
The fourth proportional to 19,659,794.10, 29,489,665.77 and 5,282,862.06 is: 7,924,286.27
Step by Step Solution
- Step 1: Write the proportion equation
19,659,794.10 : 29,489,665.77 = 5,282,862.06 : x - Step 2: Convert to fraction form
19,659,794.10/29,489,665.77 = 5,282,862.06/x - Step 3: Cross multiply
19,659,794.10x = 29,489,665.77 × 5,282,862.06 - Step 4: Simplify right side
19,659,794.10x = 155,789,836,458,413.66 - Step 5: Solve for x
x = 155,789,836,458,413.66/19,659,794.10 - Step 6: Final answer
x = 7,924,286.27
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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.