Finding the Fourth Proportional to 29,488,628.48, 40,694,496.12 and 16,436,714.94
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Solution
The fourth proportional to 29,488,628.48, 40,694,496.12 and 16,436,714.94 is: 22,682,771.87
Step by Step Solution
- Step 1: Write the proportion equation
29,488,628.48 : 40,694,496.12 = 16,436,714.94 : x - Step 2: Convert to fraction form
29,488,628.48/40,694,496.12 = 16,436,714.94/x - Step 3: Cross multiply
29,488,628.48x = 40,694,496.12 × 16,436,714.94 - Step 4: Simplify right side
29,488,628.48x = 668,883,832,351,376 - Step 5: Solve for x
x = 668,883,832,351,376/29,488,628.48 - Step 6: Final answer
x = 22,682,771.87
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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.