Finding the Fourth Proportional to 29,259,793.11, 43,858,010.61 and 19,031,961.99
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Solution
The fourth proportional to 29,259,793.11, 43,858,010.61 and 19,031,961.99 is: 28,527,337.42
Step by Step Solution
- Step 1: Write the proportion equation
29,259,793.11 : 43,858,010.61 = 19,031,961.99 : x - Step 2: Convert to fraction form
29,259,793.11/43,858,010.61 = 19,031,961.99/x - Step 3: Cross multiply
29,259,793.11x = 43,858,010.61 × 19,031,961.99 - Step 4: Simplify right side
29,259,793.11x = 834,703,990,886,536.62 - Step 5: Solve for x
x = 834,703,990,886,536.62/29,259,793.11 - Step 6: Final answer
x = 28,527,337.42
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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.