Finding the Fourth Proportional to 19,922,633.12, 29,816,453.00 and 12,251,136.94
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Solution
The fourth proportional to 19,922,633.12, 29,816,453.00 and 12,251,136.94 is: 18,335,199.30
Step by Step Solution
- Step 1: Write the proportion equation
19,922,633.12 : 29,816,453.00 = 12,251,136.94 : x - Step 2: Convert to fraction form
19,922,633.12/29,816,453.00 = 12,251,136.94/x - Step 3: Cross multiply
19,922,633.12x = 29,816,453.00 × 12,251,136.94 - Step 4: Simplify right side
19,922,633.12x = 365,285,448,763,806.12 - Step 5: Solve for x
x = 365,285,448,763,806.12/19,922,633.12 - Step 6: Final answer
x = 18,335,199.30
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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.