Finding the Fourth Proportional to 23,116,769.13, 31,901,656.62 and 13,193,452.60
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Solution
The fourth proportional to 23,116,769.13, 31,901,656.62 and 13,193,452.60 is: 18,207,258.64
Step by Step Solution
- Step 1: Write the proportion equation
23,116,769.13 : 31,901,656.62 = 13,193,452.60 : x - Step 2: Convert to fraction form
23,116,769.13/31,901,656.62 = 13,193,452.60/x - Step 3: Cross multiply
23,116,769.13x = 31,901,656.62 × 13,193,452.60 - Step 4: Simplify right side
23,116,769.13x = 420,892,994,477,446.19 - Step 5: Solve for x
x = 420,892,994,477,446.19/23,116,769.13 - Step 6: Final answer
x = 18,207,258.64
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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.