Finding the Fourth Proportional to 11,826,310.12, 16,320,309.22 and 6,393,800.68
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Solution
The fourth proportional to 11,826,310.12, 16,320,309.22 and 6,393,800.68 is: 8,823,445.62
Step by Step Solution
- Step 1: Write the proportion equation
11,826,310.12 : 16,320,309.22 = 6,393,800.68 : x - Step 2: Convert to fraction form
11,826,310.12/16,320,309.22 = 6,393,800.68/x - Step 3: Cross multiply
11,826,310.12x = 16,320,309.22 × 6,393,800.68 - Step 4: Simplify right side
11,826,310.12x = 104,348,804,188,646.27 - Step 5: Solve for x
x = 104,348,804,188,646.27/11,826,310.12 - Step 6: Final answer
x = 8,823,445.62
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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.