Finding the Fourth Proportional to 18,146,430.40, 27,219,645.60 and 6,179,166.40
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Solution
The fourth proportional to 18,146,430.40, 27,219,645.60 and 6,179,166.40 is: 9,268,749.60
Step by Step Solution
- Step 1: Write the proportion equation
18,146,430.40 : 27,219,645.60 = 6,179,166.40 : x - Step 2: Convert to fraction form
18,146,430.40/27,219,645.60 = 6,179,166.40/x - Step 3: Cross multiply
18,146,430.40x = 27,219,645.60 × 6,179,166.40 - Step 4: Simplify right side
18,146,430.40x = 168,194,719,511,427.84 - Step 5: Solve for x
x = 168,194,719,511,427.84/18,146,430.40 - Step 6: Final answer
x = 9,268,749.60
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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.