Finding the Fourth Proportional to 10,305,116.08, 15,458,171.23 and 3,388,442.31
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Solution
The fourth proportional to 10,305,116.08, 15,458,171.23 and 3,388,442.31 is: 5,082,826.92
Step by Step Solution
- Step 1: Write the proportion equation
10,305,116.08 : 15,458,171.23 = 3,388,442.31 : x - Step 2: Convert to fraction form
10,305,116.08/15,458,171.23 = 3,388,442.31/x - Step 3: Cross multiply
10,305,116.08x = 15,458,171.23 × 3,388,442.31 - Step 4: Simplify right side
10,305,116.08x = 52,379,121,430,956.74 - Step 5: Solve for x
x = 52,379,121,430,956.74/10,305,116.08 - Step 6: Final answer
x = 5,082,826.92
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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.