Finding the Fourth Proportional to 11,842,441.20, 16,342,617.60 and 6,409,933.20
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Solution
The fourth proportional to 11,842,441.20, 16,342,617.60 and 6,409,933.20 is: 8,845,734.20
Step by Step Solution
- Step 1: Write the proportion equation
11,842,441.20 : 16,342,617.60 = 6,409,933.20 : x - Step 2: Convert to fraction form
11,842,441.20/16,342,617.60 = 6,409,933.20/x - Step 3: Cross multiply
11,842,441.20x = 16,342,617.60 × 6,409,933.20 - Step 4: Simplify right side
11,842,441.20x = 104,755,087,129,144.33 - Step 5: Solve for x
x = 104,755,087,129,144.33/11,842,441.20 - Step 6: Final answer
x = 8,845,734.20
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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.