Finding the Fourth Proportional to 20,135,751.03, 27,786,440.12 and 11,763,896.81
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Solution
The fourth proportional to 20,135,751.03, 27,786,440.12 and 11,763,896.81 is: 16,233,653.94
Step by Step Solution
- Step 1: Write the proportion equation
20,135,751.03 : 27,786,440.12 = 11,763,896.81 : x - Step 2: Convert to fraction form
20,135,751.03/27,786,440.12 = 11,763,896.81/x - Step 3: Cross multiply
20,135,751.03x = 27,786,440.12 × 11,763,896.81 - Step 4: Simplify right side
20,135,751.03x = 326,876,814,091,172.31 - Step 5: Solve for x
x = 326,876,814,091,172.31/20,135,751.03 - Step 6: Final answer
x = 16,233,653.94
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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.