Finding the Fourth Proportional to 8,129,175.08, 11,218,277.30 and 4,458,117.42
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Solution
The fourth proportional to 8,129,175.08, 11,218,277.30 and 4,458,117.42 is: 6,152,210.64
Step by Step Solution
- Step 1: Write the proportion equation
8,129,175.08 : 11,218,277.30 = 4,458,117.42 : x - Step 2: Convert to fraction form
8,129,175.08/11,218,277.30 = 4,458,117.42/x - Step 3: Cross multiply
8,129,175.08x = 11,218,277.30 × 4,458,117.42 - Step 4: Simplify right side
8,129,175.08x = 50,012,397,431,229.98 - Step 5: Solve for x
x = 50,012,397,431,229.98/8,129,175.08 - Step 6: Final answer
x = 6,152,210.64
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1.5x scale
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.