Finding the Fourth Proportional to 16,621,648.20, 24,932,472.30 and 14,830,057.80
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Solution
The fourth proportional to 16,621,648.20, 24,932,472.30 and 14,830,057.80 is: 22,245,086.70
Step by Step Solution
- Step 1: Write the proportion equation
16,621,648.20 : 24,932,472.30 = 14,830,057.80 : x - Step 2: Convert to fraction form
16,621,648.20/24,932,472.30 = 14,830,057.80/x - Step 3: Cross multiply
16,621,648.20x = 24,932,472.30 × 14,830,057.80 - Step 4: Simplify right side
16,621,648.20x = 369,750,005,305,899 - Step 5: Solve for x
x = 369,750,005,305,899/16,621,648.20 - Step 6: Final answer
x = 22,245,086.70
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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.