Finding the Fourth Proportional to 8,076,371.49, 11,145,427.56 and 4,405,366.98
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Solution
The fourth proportional to 8,076,371.49, 11,145,427.56 and 4,405,366.98 is: 6,079,425.47
Step by Step Solution
- Step 1: Write the proportion equation
8,076,371.49 : 11,145,427.56 = 4,405,366.98 : x - Step 2: Convert to fraction form
8,076,371.49/11,145,427.56 = 4,405,366.98/x - Step 3: Cross multiply
8,076,371.49x = 11,145,427.56 × 4,405,366.98 - Step 4: Simplify right side
8,076,371.49x = 49,099,698,550,805.98 - Step 5: Solve for x
x = 49,099,698,550,805.98/8,076,371.49 - Step 6: Final answer
x = 6,079,425.47
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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.