Finding the Fourth Proportional to 11,984,715.54, 16,540,527.99 and 6,758,798.40
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Solution
The fourth proportional to 11,984,715.54, 16,540,527.99 and 6,758,798.40 is: 9,328,055.69
Step by Step Solution
- Step 1: Write the proportion equation
11,984,715.54 : 16,540,527.99 = 6,758,798.40 : x - Step 2: Convert to fraction form
11,984,715.54/16,540,527.99 = 6,758,798.40/x - Step 3: Cross multiply
11,984,715.54x = 16,540,527.99 × 6,758,798.40 - Step 4: Simplify right side
11,984,715.54x = 111,794,094,045,278.12 - Step 5: Solve for x
x = 111,794,094,045,278.12/11,984,715.54 - Step 6: Final answer
x = 9,328,055.69
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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.