Finding the Fourth Proportional to 10,513,270.80, 15,738,413.40 and 6,251,245.20
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Solution
The fourth proportional to 10,513,270.80, 15,738,413.40 and 6,251,245.20 is: 9,358,142.02
Step by Step Solution
- Step 1: Write the proportion equation
10,513,270.80 : 15,738,413.40 = 6,251,245.20 : x - Step 2: Convert to fraction form
10,513,270.80/15,738,413.40 = 6,251,245.20/x - Step 3: Cross multiply
10,513,270.80x = 15,738,413.40 × 6,251,245.20 - Step 4: Simplify right side
10,513,270.80x = 98,384,681,222,365.69 - Step 5: Solve for x
x = 98,384,681,222,365.69/10,513,270.80 - Step 6: Final answer
x = 9,358,142.02
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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.