Finding the Fourth Proportional to 8,790,199.26, 12,121,230.87 and 6,503,122.14
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Solution
The fourth proportional to 8,790,199.26, 12,121,230.87 and 6,503,122.14 is: 8,967,469.62
Step by Step Solution
- Step 1: Write the proportion equation
8,790,199.26 : 12,121,230.87 = 6,503,122.14 : x - Step 2: Convert to fraction form
8,790,199.26/12,121,230.87 = 6,503,122.14/x - Step 3: Cross multiply
8,790,199.26x = 12,121,230.87 × 6,503,122.14 - Step 4: Simplify right side
8,790,199.26x = 78,825,844,834,748.45 - Step 5: Solve for x
x = 78,825,844,834,748.45/8,790,199.26 - Step 6: Final answer
x = 8,967,469.62
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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.