Finding the Fourth Proportional to 12,219,163.05, 16,861,899.54 and 7,327,084.62
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Solution
The fourth proportional to 12,219,163.05, 16,861,899.54 and 7,327,084.62 is: 10,111,049.69
Step by Step Solution
- Step 1: Write the proportion equation
12,219,163.05 : 16,861,899.54 = 7,327,084.62 : x - Step 2: Convert to fraction form
12,219,163.05/16,861,899.54 = 7,327,084.62/x - Step 3: Cross multiply
12,219,163.05x = 16,861,899.54 × 7,327,084.62 - Step 4: Simplify right side
12,219,163.05x = 123,548,564,783,519.06 - Step 5: Solve for x
x = 123,548,564,783,519.06/12,219,163.05 - Step 6: Final answer
x = 10,111,049.69
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1.5x scale
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.