Finding the Fourth Proportional to 8,560,363.77, 11,802,972.11 and 7,396,706.97
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Solution
The fourth proportional to 8,560,363.77, 11,802,972.11 and 7,396,706.97 is: 10,198,529.92
Step by Step Solution
- Step 1: Write the proportion equation
8,560,363.77 : 11,802,972.11 = 7,396,706.97 : x - Step 2: Convert to fraction form
8,560,363.77/11,802,972.11 = 7,396,706.97/x - Step 3: Cross multiply
8,560,363.77x = 11,802,972.11 × 7,396,706.97 - Step 4: Simplify right side
8,560,363.77x = 87,303,126,035,769.08 - Step 5: Solve for x
x = 87,303,126,035,769.08/8,560,363.77 - Step 6: Final answer
x = 10,198,529.92
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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.