Finding the Fourth Proportional to 49,538,986.19, 68,363,960.69 and 27,512,485.61
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Solution
The fourth proportional to 49,538,986.19, 68,363,960.69 and 27,512,485.61 is: 37,967,318.86
Step by Step Solution
- Step 1: Write the proportion equation
49,538,986.19 : 68,363,960.69 = 27,512,485.61 : x - Step 2: Convert to fraction form
49,538,986.19/68,363,960.69 = 27,512,485.61/x - Step 3: Cross multiply
49,538,986.19x = 68,363,960.69 × 27,512,485.61 - Step 4: Simplify right side
49,538,986.19x = 1,880,862,484,856,425.50 - Step 5: Solve for x
x = 1,880,862,484,856,425.50/49,538,986.19 - Step 6: Final answer
x = 37,967,318.86
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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.