Finding the Fourth Proportional to 10,305,152.44, 15,458,225.74 and 3,388,478.63
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Solution
The fourth proportional to 10,305,152.44, 15,458,225.74 and 3,388,478.63 is: 5,082,881.38
Step by Step Solution
- Step 1: Write the proportion equation
10,305,152.44 : 15,458,225.74 = 3,388,478.63 : x - Step 2: Convert to fraction form
10,305,152.44/15,458,225.74 = 3,388,478.63/x - Step 3: Cross multiply
10,305,152.44x = 15,458,225.74 × 3,388,478.63 - Step 4: Simplify right side
10,305,152.44x = 52,379,867,491,943.62 - Step 5: Solve for x
x = 52,379,867,491,943.62/10,305,152.44 - Step 6: Final answer
x = 5,082,881.38
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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.