Finding the Fourth Proportional to 36,081,229.68, 49,799,330.57 and 21,405,042.18
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Solution
The fourth proportional to 36,081,229.68, 49,799,330.57 and 21,405,042.18 is: 29,543,249.52
Step by Step Solution
- Step 1: Write the proportion equation
36,081,229.68 : 49,799,330.57 = 21,405,042.18 : x - Step 2: Convert to fraction form
36,081,229.68/49,799,330.57 = 21,405,042.18/x - Step 3: Cross multiply
36,081,229.68x = 49,799,330.57 × 21,405,042.18 - Step 4: Simplify right side
36,081,229.68x = 1,065,956,771,440,126 - Step 5: Solve for x
x = 1,065,956,771,440,126/36,081,229.68 - Step 6: Final answer
x = 29,543,249.52
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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.