Finding the Fourth Proportional to 41,286,419.28, 61,894,986.84 and 18,253,635.12
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Solution
The fourth proportional to 41,286,419.28, 61,894,986.84 and 18,253,635.12 is: 27,365,136.65
Step by Step Solution
- Step 1: Write the proportion equation
41,286,419.28 : 61,894,986.84 = 18,253,635.12 : x - Step 2: Convert to fraction form
41,286,419.28/61,894,986.84 = 18,253,635.12/x - Step 3: Cross multiply
41,286,419.28x = 61,894,986.84 × 18,253,635.12 - Step 4: Simplify right side
41,286,419.28x = 1,129,808,505,534,562 - Step 5: Solve for x
x = 1,129,808,505,534,562/41,286,419.28 - Step 6: Final answer
x = 27,365,136.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.