Finding the Fourth Proportional to 40,784,494.44, 56,284,087.16 and 22,198,736.09
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Solution
The fourth proportional to 40,784,494.44, 56,284,087.16 and 22,198,736.09 is: 30,635,063.99
Step by Step Solution
- Step 1: Write the proportion equation
40,784,494.44 : 56,284,087.16 = 22,198,736.09 : x - Step 2: Convert to fraction form
40,784,494.44/56,284,087.16 = 22,198,736.09/x - Step 3: Cross multiply
40,784,494.44x = 56,284,087.16 × 22,198,736.09 - Step 4: Simplify right side
40,784,494.44x = 1,249,435,596,931,397.50 - Step 5: Solve for x
x = 1,249,435,596,931,397.50/40,784,494.44 - Step 6: Final answer
x = 30,635,063.99
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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.