Finding the Fourth Proportional to 14,591,502.87, 20,135,922.75 and 7,975,794.48
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Solution
The fourth proportional to 14,591,502.87, 20,135,922.75 and 7,975,794.48 is: 11,006,404.41
Step by Step Solution
- Step 1: Write the proportion equation
14,591,502.87 : 20,135,922.75 = 7,975,794.48 : x - Step 2: Convert to fraction form
14,591,502.87/20,135,922.75 = 7,975,794.48/x - Step 3: Cross multiply
14,591,502.87x = 20,135,922.75 × 7,975,794.48 - Step 4: Simplify right side
14,591,502.87x = 160,599,981,529,617.25 - Step 5: Solve for x
x = 160,599,981,529,617.25/14,591,502.87 - Step 6: Final answer
x = 11,006,404.41
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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.