Finding the Fourth Proportional to 36,345,064.80, 54,471,286.80 and 19,313,896.80
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Solution
The fourth proportional to 36,345,064.80, 54,471,286.80 and 19,313,896.80 is: 28,946,235.69
Step by Step Solution
- Step 1: Write the proportion equation
36,345,064.80 : 54,471,286.80 = 19,313,896.80 : x - Step 2: Convert to fraction form
36,345,064.80/54,471,286.80 = 19,313,896.80/x - Step 3: Cross multiply
36,345,064.80x = 54,471,286.80 × 19,313,896.80 - Step 4: Simplify right side
36,345,064.80x = 1,052,052,811,818,402.25 - Step 5: Solve for x
x = 1,052,052,811,818,402.25/36,345,064.80 - Step 6: Final answer
x = 28,946,235.69
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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.