Finding the Fourth Proportional to 10,711,235.21, 14,781,451.05 and 5,816,413.71
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Solution
The fourth proportional to 10,711,235.21, 14,781,451.05 and 5,816,413.71 is: 8,026,621.85
Step by Step Solution
- Step 1: Write the proportion equation
10,711,235.21 : 14,781,451.05 = 5,816,413.71 : x - Step 2: Convert to fraction form
10,711,235.21/14,781,451.05 = 5,816,413.71/x - Step 3: Cross multiply
10,711,235.21x = 14,781,451.05 × 5,816,413.71 - Step 4: Simplify right side
10,711,235.21x = 85,975,034,540,913.91 - Step 5: Solve for x
x = 85,975,034,540,913.91/10,711,235.21 - Step 6: Final answer
x = 8,026,621.85
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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.