Finding the Fourth Proportional to 7,328,744.48, 10,992,951.48 and 2,536,145.12
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Solution
The fourth proportional to 7,328,744.48, 10,992,951.48 and 2,536,145.12 is: 3,804,160.50
Step by Step Solution
- Step 1: Write the proportion equation
7,328,744.48 : 10,992,951.48 = 2,536,145.12 : x - Step 2: Convert to fraction form
7,328,744.48/10,992,951.48 = 2,536,145.12/x - Step 3: Cross multiply
7,328,744.48x = 10,992,951.48 × 2,536,145.12 - Step 4: Simplify right side
7,328,744.48x = 27,879,720,250,398.78 - Step 5: Solve for x
x = 27,879,720,250,398.78/7,328,744.48 - Step 6: Final answer
x = 3,804,160.50
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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.