Finding the Fourth Proportional to 16,102,738.88, 22,221,876.28 and 8,760,624.68
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Solution
The fourth proportional to 16,102,738.88, 22,221,876.28 and 8,760,624.68 is: 12,089,714.63
Step by Step Solution
- Step 1: Write the proportion equation
16,102,738.88 : 22,221,876.28 = 8,760,624.68 : x - Step 2: Convert to fraction form
16,102,738.88/22,221,876.28 = 8,760,624.68/x - Step 3: Cross multiply
16,102,738.88x = 22,221,876.28 × 8,760,624.68 - Step 4: Simplify right side
16,102,738.88x = 194,677,517,774,474.59 - Step 5: Solve for x
x = 194,677,517,774,474.59/16,102,738.88 - Step 6: Final answer
x = 12,089,714.63
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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.