Finding the Fourth Proportional to 20,023,030.36, 27,631,615.26 and 11,322,911.32
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Solution
The fourth proportional to 20,023,030.36, 27,631,615.26 and 11,322,911.32 is: 15,625,523.39
Step by Step Solution
- Step 1: Write the proportion equation
20,023,030.36 : 27,631,615.26 = 11,322,911.32 : x - Step 2: Convert to fraction form
20,023,030.36/27,631,615.26 = 11,322,911.32/x - Step 3: Cross multiply
20,023,030.36x = 27,631,615.26 × 11,322,911.32 - Step 4: Simplify right side
20,023,030.36x = 312,870,329,217,338.75 - Step 5: Solve for x
x = 312,870,329,217,338.75/20,023,030.36 - Step 6: Final answer
x = 15,625,523.39
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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.