Finding the Fourth Proportional to 27,930,586.68, 38,543,604.44 and 16,170,350.58
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Solution
The fourth proportional to 27,930,586.68, 38,543,604.44 and 16,170,350.58 is: 22,314,733.43
Step by Step Solution
- Step 1: Write the proportion equation
27,930,586.68 : 38,543,604.44 = 16,170,350.58 : x - Step 2: Convert to fraction form
27,930,586.68/38,543,604.44 = 16,170,350.58/x - Step 3: Cross multiply
27,930,586.68x = 38,543,604.44 × 16,170,350.58 - Step 4: Simplify right side
27,930,586.68x = 623,263,596,330,792.88 - Step 5: Solve for x
x = 623,263,596,330,792.88/27,930,586.68 - Step 6: Final answer
x = 22,314,733.43
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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.