Finding the Fourth Proportional to 8,315,028.48, 12,472,571.61 and 2,557,723.08
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Solution
The fourth proportional to 8,315,028.48, 12,472,571.61 and 2,557,723.08 is: 3,836,593.51
Step by Step Solution
- Step 1: Write the proportion equation
8,315,028.48 : 12,472,571.61 = 2,557,723.08 : x - Step 2: Convert to fraction form
8,315,028.48/12,472,571.61 = 2,557,723.08/x - Step 3: Cross multiply
8,315,028.48x = 12,472,571.61 × 2,557,723.08 - Step 4: Simplify right side
8,315,028.48x = 31,901,384,273,849.76 - Step 5: Solve for x
x = 31,901,384,273,849.76/8,315,028.48 - Step 6: Final answer
x = 3,836,593.51
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.