Finding the Fourth Proportional to 11,826,868.80, 16,321,065.12 and 6,394,347.84
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Solution
The fourth proportional to 11,826,868.80, 16,321,065.12 and 6,394,347.84 is: 8,824,192.55
Step by Step Solution
- Step 1: Write the proportion equation
11,826,868.80 : 16,321,065.12 = 6,394,347.84 : x - Step 2: Convert to fraction form
11,826,868.80/16,321,065.12 = 6,394,347.84/x - Step 3: Cross multiply
11,826,868.80x = 16,321,065.12 × 6,394,347.84 - Step 4: Simplify right side
11,826,868.80x = 104,362,567,496,571.33 - Step 5: Solve for x
x = 104,362,567,496,571.33/11,826,868.80 - Step 6: Final answer
x = 8,824,192.55
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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.