Finding the Fourth Proportional to 7,004,724.14, 10,511,137.02 and 2,960,948.99
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Solution
The fourth proportional to 7,004,724.14, 10,511,137.02 and 2,960,948.99 is: 4,443,135.79
Step by Step Solution
- Step 1: Write the proportion equation
7,004,724.14 : 10,511,137.02 = 2,960,948.99 : x - Step 2: Convert to fraction form
7,004,724.14/10,511,137.02 = 2,960,948.99/x - Step 3: Cross multiply
7,004,724.14x = 10,511,137.02 × 2,960,948.99 - Step 4: Simplify right side
7,004,724.14x = 31,122,940,543,120.61 - Step 5: Solve for x
x = 31,122,940,543,120.61/7,004,724.14 - Step 6: Final answer
x = 4,443,135.79
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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.