Finding the Fourth Proportional to 29,046,381.84, 40,083,676.20 and 15,993,367.92
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Solution
The fourth proportional to 29,046,381.84, 40,083,676.20 and 15,993,367.92 is: 22,070,665.62
Step by Step Solution
- Step 1: Write the proportion equation
29,046,381.84 : 40,083,676.20 = 15,993,367.92 : x - Step 2: Convert to fraction form
29,046,381.84/40,083,676.20 = 15,993,367.92/x - Step 3: Cross multiply
29,046,381.84x = 40,083,676.20 × 15,993,367.92 - Step 4: Simplify right side
29,046,381.84x = 641,072,981,052,747.50 - Step 5: Solve for x
x = 641,072,981,052,747.50/29,046,381.84 - Step 6: Final answer
x = 22,070,665.62
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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.