Finding the Fourth Proportional to 11,221,971.05, 16,806,236.88 and 7,165,895.24
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Solution
The fourth proportional to 11,221,971.05, 16,806,236.88 and 7,165,895.24 is: 10,731,780.75
Step by Step Solution
- Step 1: Write the proportion equation
11,221,971.05 : 16,806,236.88 = 7,165,895.24 : x - Step 2: Convert to fraction form
11,221,971.05/16,806,236.88 = 7,165,895.24/x - Step 3: Cross multiply
11,221,971.05x = 16,806,236.88 × 7,165,895.24 - Step 4: Simplify right side
11,221,971.05x = 120,431,732,860,704.45 - Step 5: Solve for x
x = 120,431,732,860,704.45/11,221,971.05 - Step 6: Final answer
x = 10,731,780.75
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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.