Finding the Fourth Proportional to 16,668,703.20, 24,936,699.60 and 14,449,490.40
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Solution
The fourth proportional to 16,668,703.20, 24,936,699.60 and 14,449,490.40 is: 21,616,714.70
Step by Step Solution
- Step 1: Write the proportion equation
16,668,703.20 : 24,936,699.60 = 14,449,490.40 : x - Step 2: Convert to fraction form
16,668,703.20/24,936,699.60 = 14,449,490.40/x - Step 3: Cross multiply
16,668,703.20x = 24,936,699.60 × 14,449,490.40 - Step 4: Simplify right side
16,668,703.20x = 360,322,601,477,883.88 - Step 5: Solve for x
x = 360,322,601,477,883.88/16,668,703.20 - Step 6: Final answer
x = 21,616,714.70
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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.