Finding the Fourth Proportional to 24,917,815.20, 37,383,721.20 and 12,138,736.80
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Solution
The fourth proportional to 24,917,815.20, 37,383,721.20 and 12,138,736.80 is: 18,211,514.48
Step by Step Solution
- Step 1: Write the proportion equation
24,917,815.20 : 37,383,721.20 = 12,138,736.80 : x - Step 2: Convert to fraction form
24,917,815.20/37,383,721.20 = 12,138,736.80/x - Step 3: Cross multiply
24,917,815.20x = 37,383,721.20 × 12,138,736.80 - Step 4: Simplify right side
24,917,815.20x = 453,791,152,251,380.25 - Step 5: Solve for x
x = 453,791,152,251,380.25/24,917,815.20 - Step 6: Final answer
x = 18,211,514.48
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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.