Finding the Fourth Proportional to 50,388,532.48, 69,538,453.68 and 28,369,597.80
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Solution
The fourth proportional to 50,388,532.48, 69,538,453.68 and 28,369,597.80 is: 39,151,328.00
Step by Step Solution
- Step 1: Write the proportion equation
50,388,532.48 : 69,538,453.68 = 28,369,597.80 : x - Step 2: Convert to fraction form
50,388,532.48/69,538,453.68 = 28,369,597.80/x - Step 3: Cross multiply
50,388,532.48x = 69,538,453.68 × 28,369,597.80 - Step 4: Simplify right side
50,388,532.48x = 1,972,777,962,535,530.25 - Step 5: Solve for x
x = 1,972,777,962,535,530.25/50,388,532.48 - Step 6: Final answer
x = 39,151,328.00
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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.