Finding the Fourth Proportional to 7,971,173.66, 11,958,657.76 and 2,579,824.09
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Solution
The fourth proportional to 7,971,173.66, 11,958,657.76 and 2,579,824.09 is: 3,870,350.18
Step by Step Solution
- Step 1: Write the proportion equation
7,971,173.66 : 11,958,657.76 = 2,579,824.09 : x - Step 2: Convert to fraction form
7,971,173.66/11,958,657.76 = 2,579,824.09/x - Step 3: Cross multiply
7,971,173.66x = 11,958,657.76 × 2,579,824.09 - Step 4: Simplify right side
7,971,173.66x = 30,851,233,373,313.44 - Step 5: Solve for x
x = 30,851,233,373,313.44/7,971,173.66 - Step 6: Final answer
x = 3,870,350.18
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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.