Finding the Fourth Proportional to 16,128,376.60, 24,192,564.90 and 4,161,112.60
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Solution
The fourth proportional to 16,128,376.60, 24,192,564.90 and 4,161,112.60 is: 6,241,668.90
Step by Step Solution
- Step 1: Write the proportion equation
16,128,376.60 : 24,192,564.90 = 4,161,112.60 : x - Step 2: Convert to fraction form
16,128,376.60/24,192,564.90 = 4,161,112.60/x - Step 3: Cross multiply
16,128,376.60x = 24,192,564.90 × 4,161,112.60 - Step 4: Simplify right side
16,128,376.60x = 100,667,986,631,707.73 - Step 5: Solve for x
x = 100,667,986,631,707.73/16,128,376.60 - Step 6: Final answer
x = 6,241,668.90
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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.