Finding the Fourth Proportional to 7,682,895.15, 10,602,423.14 and 4,198,234.14
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Solution
The fourth proportional to 7,682,895.15, 10,602,423.14 and 4,198,234.14 is: 5,793,578.32
Step by Step Solution
- Step 1: Write the proportion equation
7,682,895.15 : 10,602,423.14 = 4,198,234.14 : x - Step 2: Convert to fraction form
7,682,895.15/10,602,423.14 = 4,198,234.14/x - Step 3: Cross multiply
7,682,895.15x = 10,602,423.14 × 4,198,234.14 - Step 4: Simplify right side
7,682,895.15x = 44,511,454,802,527.32 - Step 5: Solve for x
x = 44,511,454,802,527.32/7,682,895.15 - Step 6: Final answer
x = 5,793,578.32
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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.