Finding the Fourth Proportional to 19,879,821.75, 29,816,411.12 and 5,504,342.70
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Solution
The fourth proportional to 19,879,821.75, 29,816,411.12 and 5,504,342.70 is: 8,255,594.39
Step by Step Solution
- Step 1: Write the proportion equation
19,879,821.75 : 29,816,411.12 = 5,504,342.70 : x - Step 2: Convert to fraction form
19,879,821.75/29,816,411.12 = 5,504,342.70/x - Step 3: Cross multiply
19,879,821.75x = 29,816,411.12 × 5,504,342.70 - Step 4: Simplify right side
19,879,821.75x = 164,119,745,024,463.88 - Step 5: Solve for x
x = 164,119,745,024,463.88/19,879,821.75 - Step 6: Final answer
x = 8,255,594.39
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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.