Finding the Fourth Proportional to 20,297,473.92, 27,983,415.84 and 16,125,003.18
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Solution
The fourth proportional to 20,297,473.92, 27,983,415.84 and 16,125,003.18 is: 22,230,976.68
Step by Step Solution
- Step 1: Write the proportion equation
20,297,473.92 : 27,983,415.84 = 16,125,003.18 : x - Step 2: Convert to fraction form
20,297,473.92/27,983,415.84 = 16,125,003.18/x - Step 3: Cross multiply
20,297,473.92x = 27,983,415.84 × 16,125,003.18 - Step 4: Simplify right side
20,297,473.92x = 451,232,669,407,262.38 - Step 5: Solve for x
x = 451,232,669,407,262.38/20,297,473.92 - Step 6: Final answer
x = 22,230,976.68
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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.