Finding the Fourth Proportional to 8,119,260.36, 12,177,418.87 and 3,261,371.12
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Solution
The fourth proportional to 8,119,260.36, 12,177,418.87 and 3,261,371.12 is: 4,891,465.53
Step by Step Solution
- Step 1: Write the proportion equation
8,119,260.36 : 12,177,418.87 = 3,261,371.12 : x - Step 2: Convert to fraction form
8,119,260.36/12,177,418.87 = 3,261,371.12/x - Step 3: Cross multiply
8,119,260.36x = 12,177,418.87 × 3,261,371.12 - Step 4: Simplify right side
8,119,260.36x = 39,715,082,207,615.98 - Step 5: Solve for x
x = 39,715,082,207,615.98/8,119,260.36 - Step 6: Final answer
x = 4,891,465.53
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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.