Finding the Fourth Proportional to 16,162,664.40, 22,304,949.36 and 8,820,968.94
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Solution
The fourth proportional to 16,162,664.40, 22,304,949.36 and 8,820,968.94 is: 12,173,195.00
Step by Step Solution
- Step 1: Write the proportion equation
16,162,664.40 : 22,304,949.36 = 8,820,968.94 : x - Step 2: Convert to fraction form
16,162,664.40/22,304,949.36 = 8,820,968.94/x - Step 3: Cross multiply
16,162,664.40x = 22,304,949.36 × 8,820,968.94 - Step 4: Simplify right side
16,162,664.40x = 196,751,265,512,832.88 - Step 5: Solve for x
x = 196,751,265,512,832.88/16,162,664.40 - Step 6: Final answer
x = 12,173,195.00
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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.