Finding the Fourth Proportional to 37,945,286.40, 52,364,484.19 and 20,541,618.84
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Solution
The fourth proportional to 37,945,286.40, 52,364,484.19 and 20,541,618.84 is: 28,347,428.02
Step by Step Solution
- Step 1: Write the proportion equation
37,945,286.40 : 52,364,484.19 = 20,541,618.84 : x - Step 2: Convert to fraction form
37,945,286.40/52,364,484.19 = 20,541,618.84/x - Step 3: Cross multiply
37,945,286.40x = 52,364,484.19 × 20,541,618.84 - Step 4: Simplify right side
37,945,286.40x = 1,075,651,274,984,186.12 - Step 5: Solve for x
x = 1,075,651,274,984,186.12/37,945,286.40 - Step 6: Final answer
x = 28,347,428.02
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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.