Finding the Fourth Proportional to 8,476,310.62, 12,720,119.37 and 3,084,959.53
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Solution
The fourth proportional to 8,476,310.62, 12,720,119.37 and 3,084,959.53 is: 4,629,496.87
Step by Step Solution
- Step 1: Write the proportion equation
8,476,310.62 : 12,720,119.37 = 3,084,959.53 : x - Step 2: Convert to fraction form
8,476,310.62/12,720,119.37 = 3,084,959.53/x - Step 3: Cross multiply
8,476,310.62x = 12,720,119.37 × 3,084,959.53 - Step 4: Simplify right side
8,476,310.62x = 39,241,053,473,219.09 - Step 5: Solve for x
x = 39,241,053,473,219.09/8,476,310.62 - Step 6: Final answer
x = 4,629,496.87
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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.