Finding the Fourth Proportional to 36,230,043.92, 49,996,321.40 and 19,709,745.21
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Solution
The fourth proportional to 36,230,043.92, 49,996,321.40 and 19,709,745.21 is: 27,198,828.65
Step by Step Solution
- Step 1: Write the proportion equation
36,230,043.92 : 49,996,321.40 = 19,709,745.21 : x - Step 2: Convert to fraction form
36,230,043.92/49,996,321.40 = 19,709,745.21/x - Step 3: Cross multiply
36,230,043.92x = 49,996,321.40 × 19,709,745.21 - Step 4: Simplify right side
36,230,043.92x = 985,414,756,280,545 - Step 5: Solve for x
x = 985,414,756,280,545/36,230,043.92 - Step 6: Final answer
x = 27,198,828.65
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1.5x scale
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.