Finding the Fourth Proportional to 11,826,757.60, 16,320,949.20 and 6,394,249.60
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Solution
The fourth proportional to 11,826,757.60, 16,320,949.20 and 6,394,249.60 is: 8,824,077.27
Step by Step Solution
- Step 1: Write the proportion equation
11,826,757.60 : 16,320,949.20 = 6,394,249.60 : x - Step 2: Convert to fraction form
11,826,757.60/16,320,949.20 = 6,394,249.60/x - Step 3: Cross multiply
11,826,757.60x = 16,320,949.20 × 6,394,249.60 - Step 4: Simplify right side
11,826,757.60x = 104,360,222,893,720.31 - Step 5: Solve for x
x = 104,360,222,893,720.31/11,826,757.60 - Step 6: Final answer
x = 8,824,077.27
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1.5x scale
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.