Finding the Fourth Proportional to 14,978,230.05, 20,669,887.49 and 8,102,651.97
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Solution
The fourth proportional to 14,978,230.05, 20,669,887.49 and 8,102,651.97 is: 11,181,621.86
Step by Step Solution
- Step 1: Write the proportion equation
14,978,230.05 : 20,669,887.49 = 8,102,651.97 : x - Step 2: Convert to fraction form
14,978,230.05/20,669,887.49 = 8,102,651.97/x - Step 3: Cross multiply
14,978,230.05x = 20,669,887.49 × 8,102,651.97 - Step 4: Simplify right side
14,978,230.05x = 167,480,904,550,013.59 - Step 5: Solve for x
x = 167,480,904,550,013.59/14,978,230.05 - Step 6: Final answer
x = 11,181,621.86
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.