Finding the Fourth Proportional to 29,073,835.14, 40,122,161.57 and 16,021,561.15
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Solution
The fourth proportional to 29,073,835.14, 40,122,161.57 and 16,021,561.15 is: 22,109,902.67
Step by Step Solution
- Step 1: Write the proportion equation
29,073,835.14 : 40,122,161.57 = 16,021,561.15 : x - Step 2: Convert to fraction form
29,073,835.14/40,122,161.57 = 16,021,561.15/x - Step 3: Cross multiply
29,073,835.14x = 40,122,161.57 × 16,021,561.15 - Step 4: Simplify right side
29,073,835.14x = 642,819,665,063,935 - Step 5: Solve for x
x = 642,819,665,063,935/29,073,835.14 - Step 6: Final answer
x = 22,109,902.67
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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.