Finding the Fourth Proportional to 37,431,945.20, 56,147,917.80 and 26,472,450.80
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Solution
The fourth proportional to 37,431,945.20, 56,147,917.80 and 26,472,450.80 is: 39,708,676.20
Step by Step Solution
- Step 1: Write the proportion equation
37,431,945.20 : 56,147,917.80 = 26,472,450.80 : x - Step 2: Convert to fraction form
37,431,945.20/56,147,917.80 = 26,472,450.80/x - Step 3: Cross multiply
37,431,945.20x = 56,147,917.80 × 26,472,450.80 - Step 4: Simplify right side
37,431,945.20x = 1,486,372,991,482,944.25 - Step 5: Solve for x
x = 1,486,372,991,482,944.25/37,431,945.20 - Step 6: Final answer
x = 39,708,676.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.