Finding the Fourth Proportional to 28,135,343.49, 42,202,227.91 and 8,967,250.77
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Solution
The fourth proportional to 28,135,343.49, 42,202,227.91 and 8,967,250.77 is: 13,450,625.22
Step by Step Solution
- Step 1: Write the proportion equation
28,135,343.49 : 42,202,227.91 = 8,967,250.77 : x - Step 2: Convert to fraction form
28,135,343.49/42,202,227.91 = 8,967,250.77/x - Step 3: Cross multiply
28,135,343.49x = 42,202,227.91 × 8,967,250.77 - Step 4: Simplify right side
28,135,343.49x = 378,437,960,721,662.94 - Step 5: Solve for x
x = 378,437,960,721,662.94/28,135,343.49 - Step 6: Final answer
x = 13,450,625.22
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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.