Finding the Fourth Proportional to 7,993,218.96, 11,029,975.34 and 4,508,365.68
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Solution
The fourth proportional to 7,993,218.96, 11,029,975.34 and 4,508,365.68 is: 6,221,168.53
Step by Step Solution
- Step 1: Write the proportion equation
7,993,218.96 : 11,029,975.34 = 4,508,365.68 : x - Step 2: Convert to fraction form
7,993,218.96/11,029,975.34 = 4,508,365.68/x - Step 3: Cross multiply
7,993,218.96x = 11,029,975.34 × 4,508,365.68 - Step 4: Simplify right side
7,993,218.96x = 49,727,162,251,560.50 - Step 5: Solve for x
x = 49,727,162,251,560.50/7,993,218.96 - Step 6: Final answer
x = 6,221,168.53
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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.