Finding the Fourth Proportional to 8,268,403.96, 11,407,832.94 and 4,828,163.32
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Solution
The fourth proportional to 8,268,403.96, 11,407,832.94 and 4,828,163.32 is: 6,661,367.88
Step by Step Solution
- Step 1: Write the proportion equation
8,268,403.96 : 11,407,832.94 = 4,828,163.32 : x - Step 2: Convert to fraction form
8,268,403.96/11,407,832.94 = 4,828,163.32/x - Step 3: Cross multiply
8,268,403.96x = 11,407,832.94 × 4,828,163.32 - Step 4: Simplify right side
8,268,403.96x = 55,078,880,561,595.76 - Step 5: Solve for x
x = 55,078,880,561,595.76/8,268,403.96 - Step 6: Final answer
x = 6,661,367.88
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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.