Finding the Fourth Proportional to 16,110,279.20, 24,165,418.80 and 13,161,159.20
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Solution
The fourth proportional to 16,110,279.20, 24,165,418.80 and 13,161,159.20 is: 19,741,738.80
Step by Step Solution
- Step 1: Write the proportion equation
16,110,279.20 : 24,165,418.80 = 13,161,159.20 : x - Step 2: Convert to fraction form
16,110,279.20/24,165,418.80 = 13,161,159.20/x - Step 3: Cross multiply
16,110,279.20x = 24,165,418.80 × 13,161,159.20 - Step 4: Simplify right side
16,110,279.20x = 318,044,923,961,472.94 - Step 5: Solve for x
x = 318,044,923,961,472.94/16,110,279.20 - Step 6: Final answer
x = 19,741,738.80
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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.