Finding the Fourth Proportional to 8,879,516.63, 12,253,732.97 and 4,805,135.63
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Solution
The fourth proportional to 8,879,516.63, 12,253,732.97 and 4,805,135.63 is: 6,631,087.17
Step by Step Solution
- Step 1: Write the proportion equation
8,879,516.63 : 12,253,732.97 = 4,805,135.63 : x - Step 2: Convert to fraction form
8,879,516.63/12,253,732.97 = 4,805,135.63/x - Step 3: Cross multiply
8,879,516.63x = 12,253,732.97 × 4,805,135.63 - Step 4: Simplify right side
8,879,516.63x = 58,880,848,809,358.38 - Step 5: Solve for x
x = 58,880,848,809,358.38/8,879,516.63 - Step 6: Final answer
x = 6,631,087.17
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1.5x scale
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.