Finding the Fourth Proportional to 11,945,231.53, 16,483,944.62 and 7,052,029.84
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Solution
The fourth proportional to 11,945,231.53, 16,483,944.62 and 7,052,029.84 is: 9,731,520.82
Step by Step Solution
- Step 1: Write the proportion equation
11,945,231.53 : 16,483,944.62 = 7,052,029.84 : x - Step 2: Convert to fraction form
11,945,231.53/16,483,944.62 = 7,052,029.84/x - Step 3: Cross multiply
11,945,231.53x = 16,483,944.62 × 7,052,029.84 - Step 4: Simplify right side
11,945,231.53x = 116,245,269,305,887.31 - Step 5: Solve for x
x = 116,245,269,305,887.31/11,945,231.53 - Step 6: Final answer
x = 9,731,520.82
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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.