Finding the Fourth Proportional to 19,157,236.44, 26,428,692.63 and 11,715,223.80
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Solution
The fourth proportional to 19,157,236.44, 26,428,692.63 and 11,715,223.80 is: 16,161,937.02
Step by Step Solution
- Step 1: Write the proportion equation
19,157,236.44 : 26,428,692.63 = 11,715,223.80 : x - Step 2: Convert to fraction form
19,157,236.44/26,428,692.63 = 11,715,223.80/x - Step 3: Cross multiply
19,157,236.44x = 26,428,692.63 × 11,715,223.80 - Step 4: Simplify right side
19,157,236.44x = 309,618,048,901,860.62 - Step 5: Solve for x
x = 309,618,048,901,860.62/19,157,236.44 - Step 6: Final answer
x = 16,161,937.02
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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.