Finding the Fourth Proportional to 11,221,969.05, 16,806,233.88 and 7,165,893.24
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Solution
The fourth proportional to 11,221,969.05, 16,806,233.88 and 7,165,893.24 is: 10,731,777.75
Step by Step Solution
- Step 1: Write the proportion equation
11,221,969.05 : 16,806,233.88 = 7,165,893.24 : x - Step 2: Convert to fraction form
11,221,969.05/16,806,233.88 = 7,165,893.24/x - Step 3: Cross multiply
11,221,969.05x = 16,806,233.88 × 7,165,893.24 - Step 4: Simplify right side
11,221,969.05x = 120,431,677,750,550.97 - Step 5: Solve for x
x = 120,431,677,750,550.97/11,221,969.05 - Step 6: Final answer
x = 10,731,777.75
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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.