Finding the Fourth Proportional to 8,330,245.22, 11,495,653.42 and 4,659,153.03
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Solution
The fourth proportional to 8,330,245.22, 11,495,653.42 and 4,659,153.03 is: 6,429,583.65
Step by Step Solution
- Step 1: Write the proportion equation
8,330,245.22 : 11,495,653.42 = 4,659,153.03 : x - Step 2: Convert to fraction form
8,330,245.22/11,495,653.42 = 4,659,153.03/x - Step 3: Cross multiply
8,330,245.22x = 11,495,653.42 × 4,659,153.03 - Step 4: Simplify right side
8,330,245.22x = 53,560,008,440,327.09 - Step 5: Solve for x
x = 53,560,008,440,327.09/8,330,245.22 - Step 6: Final answer
x = 6,429,583.65
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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.