Finding the Fourth Proportional to 8,879,514.63, 12,253,730.21 and 4,805,133.63
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Solution
The fourth proportional to 8,879,514.63, 12,253,730.21 and 4,805,133.63 is: 6,631,084.42
Step by Step Solution
- Step 1: Write the proportion equation
8,879,514.63 : 12,253,730.21 = 4,805,133.63 : x - Step 2: Convert to fraction form
8,879,514.63/12,253,730.21 = 4,805,133.63/x - Step 3: Cross multiply
8,879,514.63x = 12,253,730.21 × 4,805,133.63 - Step 4: Simplify right side
8,879,514.63x = 58,880,811,125,017.97 - Step 5: Solve for x
x = 58,880,811,125,017.97/8,879,514.63 - Step 6: Final answer
x = 6,631,084.42
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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.