Finding the Fourth Proportional to 7,746,853.94, 11,621,699.42 and 3,195,419.79
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Solution
The fourth proportional to 7,746,853.94, 11,621,699.42 and 3,195,419.79 is: 4,793,714.80
Step by Step Solution
- Step 1: Write the proportion equation
7,746,853.94 : 11,621,699.42 = 3,195,419.79 : x - Step 2: Convert to fraction form
7,746,853.94/11,621,699.42 = 3,195,419.79/x - Step 3: Cross multiply
7,746,853.94x = 11,621,699.42 × 3,195,419.79 - Step 4: Simplify right side
7,746,853.94x = 37,136,208,365,678.03 - Step 5: Solve for x
x = 37,136,208,365,678.03/7,746,853.94 - Step 6: Final answer
x = 4,793,714.80
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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.