Finding the Fourth Proportional to 18,585,279.08, 27,868,346.21 and 8,341,357.08
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Solution
The fourth proportional to 18,585,279.08, 27,868,346.21 and 8,341,357.08 is: 12,507,739.37
Step by Step Solution
- Step 1: Write the proportion equation
18,585,279.08 : 27,868,346.21 = 8,341,357.08 : x - Step 2: Convert to fraction form
18,585,279.08/27,868,346.21 = 8,341,357.08/x - Step 3: Cross multiply
18,585,279.08x = 27,868,346.21 × 8,341,357.08 - Step 4: Simplify right side
18,585,279.08x = 232,459,826,848,186.31 - Step 5: Solve for x
x = 232,459,826,848,186.31/18,585,279.08 - Step 6: Final answer
x = 12,507,739.37
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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.