Finding the Fourth Proportional to 11,299,083.23, 15,578,099.25 and 7,318,271.81
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Solution
The fourth proportional to 11,299,083.23, 15,578,099.25 and 7,318,271.81 is: 10,089,735.80
Step by Step Solution
- Step 1: Write the proportion equation
11,299,083.23 : 15,578,099.25 = 7,318,271.81 : x - Step 2: Convert to fraction form
11,299,083.23/15,578,099.25 = 7,318,271.81/x - Step 3: Cross multiply
11,299,083.23x = 15,578,099.25 × 7,318,271.81 - Step 4: Simplify right side
11,299,083.23x = 114,004,764,594,657.14 - Step 5: Solve for x
x = 114,004,764,594,657.14/11,299,083.23 - Step 6: Final answer
x = 10,089,735.80
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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.