Finding the Fourth Proportional to 11,920,900.08, 17,855,279.66 and 8,452,125.21
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Solution
The fourth proportional to 11,920,900.08, 17,855,279.66 and 8,452,125.21 is: 12,659,703.40
Step by Step Solution
- Step 1: Write the proportion equation
11,920,900.08 : 17,855,279.66 = 8,452,125.21 : x - Step 2: Convert to fraction form
11,920,900.08/17,855,279.66 = 8,452,125.21/x - Step 3: Cross multiply
11,920,900.08x = 17,855,279.66 × 8,452,125.21 - Step 4: Simplify right side
11,920,900.08x = 150,915,059,303,625.62 - Step 5: Solve for x
x = 150,915,059,303,625.62/11,920,900.08 - Step 6: Final answer
x = 12,659,703.40
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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.