Finding the Fourth Proportional to 27,930,586.44, 38,543,604.08 and 16,170,350.34
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Solution
The fourth proportional to 27,930,586.44, 38,543,604.08 and 16,170,350.34 is: 22,314,733.09
Step by Step Solution
- Step 1: Write the proportion equation
27,930,586.44 : 38,543,604.08 = 16,170,350.34 : x - Step 2: Convert to fraction form
27,930,586.44/38,543,604.08 = 16,170,350.34/x - Step 3: Cross multiply
27,930,586.44x = 38,543,604.08 × 16,170,350.34 - Step 4: Simplify right side
27,930,586.44x = 623,263,581,339,853.38 - Step 5: Solve for x
x = 623,263,581,339,853.38/27,930,586.44 - Step 6: Final answer
x = 22,314,733.09
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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.