Finding the Fourth Proportional to 27,534,917.70, 41,318,122.95 and 19,021,364.10
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Solution
The fourth proportional to 27,534,917.70, 41,318,122.95 and 19,021,364.10 is: 28,542,923.90
Step by Step Solution
- Step 1: Write the proportion equation
27,534,917.70 : 41,318,122.95 = 19,021,364.10 : x - Step 2: Convert to fraction form
27,534,917.70/41,318,122.95 = 19,021,364.10/x - Step 3: Cross multiply
27,534,917.70x = 41,318,122.95 × 19,021,364.10 - Step 4: Simplify right side
27,534,917.70x = 785,927,060,560,516.25 - Step 5: Solve for x
x = 785,927,060,560,516.25/27,534,917.70 - Step 6: Final answer
x = 28,542,923.90
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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.