Finding the Fourth Proportional to 36,157,781.88, 49,898,099.34 and 19,638,229.08
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Solution
The fourth proportional to 36,157,781.88, 49,898,099.34 and 19,638,229.08 is: 27,100,951.84
Step by Step Solution
- Step 1: Write the proportion equation
36,157,781.88 : 49,898,099.34 = 19,638,229.08 : x - Step 2: Convert to fraction form
36,157,781.88/49,898,099.34 = 19,638,229.08/x - Step 3: Cross multiply
36,157,781.88x = 49,898,099.34 × 19,638,229.08 - Step 4: Simplify right side
36,157,781.88x = 979,910,305,495,516.75 - Step 5: Solve for x
x = 979,910,305,495,516.75/36,157,781.88 - Step 6: Final answer
x = 27,100,951.84
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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.