Finding the Fourth Proportional to 12,136,612.44, 18,207,577.48 and 4,563,578.18
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Solution
The fourth proportional to 12,136,612.44, 18,207,577.48 and 4,563,578.18 is: 6,846,367.03
Step by Step Solution
- Step 1: Write the proportion equation
12,136,612.44 : 18,207,577.48 = 4,563,578.18 : x - Step 2: Convert to fraction form
12,136,612.44/18,207,577.48 = 4,563,578.18/x - Step 3: Cross multiply
12,136,612.44x = 18,207,577.48 × 4,563,578.18 - Step 4: Simplify right side
12,136,612.44x = 83,091,703,298,387.39 - Step 5: Solve for x
x = 83,091,703,298,387.39/12,136,612.44 - Step 6: Final answer
x = 6,846,367.03
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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.