Finding the Fourth Proportional to 16,162,674.60, 22,304,963.40 and 8,820,979.08
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Solution
The fourth proportional to 16,162,674.60, 22,304,963.40 and 8,820,979.08 is: 12,173,208.98
Step by Step Solution
- Step 1: Write the proportion equation
16,162,674.60 : 22,304,963.40 = 8,820,979.08 : x - Step 2: Convert to fraction form
16,162,674.60/22,304,963.40 = 8,820,979.08/x - Step 3: Cross multiply
16,162,674.60x = 22,304,963.40 × 8,820,979.08 - Step 4: Simplify right side
16,162,674.60x = 196,751,615,531,565.66 - Step 5: Solve for x
x = 196,751,615,531,565.66/16,162,674.60 - Step 6: Final answer
x = 12,173,208.98
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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.