Finding the Fourth Proportional to 9,394,193.60, 12,963,767.64 and 5,526,963.80
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Solution
The fourth proportional to 9,394,193.60, 12,963,767.64 and 5,526,963.80 is: 7,627,080.89
Step by Step Solution
- Step 1: Write the proportion equation
9,394,193.60 : 12,963,767.64 = 5,526,963.80 : x - Step 2: Convert to fraction form
9,394,193.60/12,963,767.64 = 5,526,963.80/x - Step 3: Cross multiply
9,394,193.60x = 12,963,767.64 × 5,526,963.80 - Step 4: Simplify right side
9,394,193.60x = 71,650,274,457,891.44 - Step 5: Solve for x
x = 71,650,274,457,891.44/9,394,193.60 - Step 6: Final answer
x = 7,627,080.89
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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.