Finding the Fourth Proportional to 23,081,080.68, 31,848,771.94 and 13,159,243.68
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Solution
The fourth proportional to 23,081,080.68, 31,848,771.94 and 13,159,243.68 is: 18,157,977.81
Step by Step Solution
- Step 1: Write the proportion equation
23,081,080.68 : 31,848,771.94 = 13,159,243.68 : x - Step 2: Convert to fraction form
23,081,080.68/31,848,771.94 = 13,159,243.68/x - Step 3: Cross multiply
23,081,080.68x = 31,848,771.94 × 13,159,243.68 - Step 4: Simplify right side
23,081,080.68x = 419,105,750,867,206.38 - Step 5: Solve for x
x = 419,105,750,867,206.38/23,081,080.68 - Step 6: Final answer
x = 18,157,977.81
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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.