Finding the Fourth Proportional to 7,993,220.09, 11,029,976.88 and 4,508,366.81
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Solution
The fourth proportional to 7,993,220.09, 11,029,976.88 and 4,508,366.81 is: 6,221,170.08
Step by Step Solution
- Step 1: Write the proportion equation
7,993,220.09 : 11,029,976.88 = 4,508,366.81 : x - Step 2: Convert to fraction form
7,993,220.09/11,029,976.88 = 4,508,366.81/x - Step 3: Cross multiply
7,993,220.09x = 11,029,976.88 × 4,508,366.81 - Step 4: Simplify right side
7,993,220.09x = 49,727,181,680,859.35 - Step 5: Solve for x
x = 49,727,181,680,859.35/7,993,220.09 - Step 6: Final answer
x = 6,221,170.08
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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.