Finding the Fourth Proportional to 7,921,690.26, 11,862,070.97 and 5,467,279.67
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Solution
The fourth proportional to 7,921,690.26, 11,862,070.97 and 5,467,279.67 is: 8,186,795.66
Step by Step Solution
- Step 1: Write the proportion equation
7,921,690.26 : 11,862,070.97 = 5,467,279.67 : x - Step 2: Convert to fraction form
7,921,690.26/11,862,070.97 = 5,467,279.67/x - Step 3: Cross multiply
7,921,690.26x = 11,862,070.97 × 5,467,279.67 - Step 4: Simplify right side
7,921,690.26x = 64,853,259,458,378.18 - Step 5: Solve for x
x = 64,853,259,458,378.18/7,921,690.26 - Step 6: Final answer
x = 8,186,795.66
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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.