Finding the Fourth Proportional to 27,321,163.05, 37,707,869.43 and 16,308,480.81
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Solution
The fourth proportional to 27,321,163.05, 37,707,869.43 and 16,308,480.81 is: 22,508,487.79
Step by Step Solution
- Step 1: Write the proportion equation
27,321,163.05 : 37,707,869.43 = 16,308,480.81 : x - Step 2: Convert to fraction form
27,321,163.05/37,707,869.43 = 16,308,480.81/x - Step 3: Cross multiply
27,321,163.05x = 37,707,869.43 × 16,308,480.81 - Step 4: Simplify right side
27,321,163.05x = 614,958,064,985,140.62 - Step 5: Solve for x
x = 614,958,064,985,140.62/27,321,163.05 - Step 6: Final answer
x = 22,508,487.79
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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.