Finding the Fourth Proportional to 8,228,818.53, 12,344,039.73 and 2,836,759.09
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Solution
The fourth proportional to 8,228,818.53, 12,344,039.73 and 2,836,759.09 is: 4,255,418.54
Step by Step Solution
- Step 1: Write the proportion equation
8,228,818.53 : 12,344,039.73 = 2,836,759.09 : x - Step 2: Convert to fraction form
8,228,818.53/12,344,039.73 = 2,836,759.09/x - Step 3: Cross multiply
8,228,818.53x = 12,344,039.73 × 2,836,759.09 - Step 4: Simplify right side
8,228,818.53x = 35,017,066,911,398.64 - Step 5: Solve for x
x = 35,017,066,911,398.64/8,228,818.53 - Step 6: Final answer
x = 4,255,418.54
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.