Finding the Fourth Proportional to 46,350,136.80, 69,524,859.60 and 14,001,976.80
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Solution
The fourth proportional to 46,350,136.80, 69,524,859.60 and 14,001,976.80 is: 21,002,860.80
Step by Step Solution
- Step 1: Write the proportion equation
46,350,136.80 : 69,524,859.60 = 14,001,976.80 : x - Step 2: Convert to fraction form
46,350,136.80/69,524,859.60 = 14,001,976.80/x - Step 3: Cross multiply
46,350,136.80x = 69,524,859.60 × 14,001,976.80 - Step 4: Simplify right side
46,350,136.80x = 973,485,471,142,457.25 - Step 5: Solve for x
x = 973,485,471,142,457.25/46,350,136.80 - Step 6: Final answer
x = 21,002,860.80
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1.5x scale
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.