Finding the Fourth Proportional to 36,290,237.40, 54,440,021.70 and 18,103,728.60
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Solution
The fourth proportional to 36,290,237.40, 54,440,021.70 and 18,103,728.60 is: 27,157,920.38
Step by Step Solution
- Step 1: Write the proportion equation
36,290,237.40 : 54,440,021.70 = 18,103,728.60 : x - Step 2: Convert to fraction form
36,290,237.40/54,440,021.70 = 18,103,728.60/x - Step 3: Cross multiply
36,290,237.40x = 54,440,021.70 × 18,103,728.60 - Step 4: Simplify right side
36,290,237.40x = 985,567,377,834,910.75 - Step 5: Solve for x
x = 985,567,377,834,910.75/36,290,237.40 - Step 6: Final answer
x = 27,157,920.38
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1.5x scale
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.