Finding the Fourth Proportional to 18,652,027.59, 27,947,110.79 and 11,343,380.67
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Solution
The fourth proportional to 18,652,027.59, 27,947,110.79 and 11,343,380.67 is: 16,996,260.31
Step by Step Solution
- Step 1: Write the proportion equation
18,652,027.59 : 27,947,110.79 = 11,343,380.67 : x - Step 2: Convert to fraction form
18,652,027.59/27,947,110.79 = 11,343,380.67/x - Step 3: Cross multiply
18,652,027.59x = 27,947,110.79 × 11,343,380.67 - Step 4: Simplify right side
18,652,027.59x = 317,014,716,121,181.94 - Step 5: Solve for x
x = 317,014,716,121,181.94/18,652,027.59 - Step 6: Final answer
x = 16,996,260.31
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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.