Finding the Fourth Proportional to 7,311,227.75, 10,089,809.65 and 4,048,042.40
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Solution
The fourth proportional to 7,311,227.75, 10,089,809.65 and 4,048,042.40 is: 5,586,473.12
Step by Step Solution
- Step 1: Write the proportion equation
7,311,227.75 : 10,089,809.65 = 4,048,042.40 : x - Step 2: Convert to fraction form
7,311,227.75/10,089,809.65 = 4,048,042.40/x - Step 3: Cross multiply
7,311,227.75x = 10,089,809.65 × 4,048,042.40 - Step 4: Simplify right side
7,311,227.75x = 40,843,977,271,129.16 - Step 5: Solve for x
x = 40,843,977,271,129.16/7,311,227.75 - Step 6: Final answer
x = 5,586,473.12
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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.