Finding the Fourth Proportional to 10,925,378.80, 16,394,629.20 and 4,534,964.80
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Solution
The fourth proportional to 10,925,378.80, 16,394,629.20 and 4,534,964.80 is: 6,805,170.58
Step by Step Solution
- Step 1: Write the proportion equation
10,925,378.80 : 16,394,629.20 = 4,534,964.80 : x - Step 2: Convert to fraction form
10,925,378.80/16,394,629.20 = 4,534,964.80/x - Step 3: Cross multiply
10,925,378.80x = 16,394,629.20 × 4,534,964.80 - Step 4: Simplify right side
10,925,378.80x = 74,349,066,331,052.16 - Step 5: Solve for x
x = 74,349,066,331,052.16/10,925,378.80 - Step 6: Final answer
x = 6,805,170.58
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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.