Finding the Fourth Proportional to 8,691,972.05, 13,020,912.63 and 5,041,032.05
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Solution
The fourth proportional to 8,691,972.05, 13,020,912.63 and 5,041,032.05 is: 7,551,662.33
Step by Step Solution
- Step 1: Write the proportion equation
8,691,972.05 : 13,020,912.63 = 5,041,032.05 : x - Step 2: Convert to fraction form
8,691,972.05/13,020,912.63 = 5,041,032.05/x - Step 3: Cross multiply
8,691,972.05x = 13,020,912.63 × 5,041,032.05 - Step 4: Simplify right side
8,691,972.05x = 65,638,837,822,975.23 - Step 5: Solve for x
x = 65,638,837,822,975.23/8,691,972.05 - Step 6: Final answer
x = 7,551,662.33
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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.