Finding the Fourth Proportional to 19,940,362.63, 27,517,820.37 and 11,120,370.73
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Solution
The fourth proportional to 19,940,362.63, 27,517,820.37 and 11,120,370.73 is: 15,346,178.50
Step by Step Solution
- Step 1: Write the proportion equation
19,940,362.63 : 27,517,820.37 = 11,120,370.73 : x - Step 2: Convert to fraction form
19,940,362.63/27,517,820.37 = 11,120,370.73/x - Step 3: Cross multiply
19,940,362.63x = 27,517,820.37 × 11,120,370.73 - Step 4: Simplify right side
19,940,362.63x = 306,008,364,195,945.81 - Step 5: Solve for x
x = 306,008,364,195,945.81/19,940,362.63 - Step 6: Final answer
x = 15,346,178.50
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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.