Finding the Fourth Proportional to 8,002,271.27, 11,043,163.55 and 4,331,235.95
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Solution
The fourth proportional to 8,002,271.27, 11,043,163.55 and 4,331,235.95 is: 5,977,121.41
Step by Step Solution
- Step 1: Write the proportion equation
8,002,271.27 : 11,043,163.55 = 4,331,235.95 : x - Step 2: Convert to fraction form
8,002,271.27/11,043,163.55 = 4,331,235.95/x - Step 3: Cross multiply
8,002,271.27x = 11,043,163.55 × 4,331,235.95 - Step 4: Simplify right side
8,002,271.27x = 47,830,546,966,513.77 - Step 5: Solve for x
x = 47,830,546,966,513.77/8,002,271.27 - Step 6: Final answer
x = 5,977,121.41
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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.