Finding the Fourth Proportional to 8,214,120.81, 12,321,202.29 and 3,356,427.49
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Solution
The fourth proportional to 8,214,120.81, 12,321,202.29 and 3,356,427.49 is: 5,034,649.85
Step by Step Solution
- Step 1: Write the proportion equation
8,214,120.81 : 12,321,202.29 = 3,356,427.49 : x - Step 2: Convert to fraction form
8,214,120.81/12,321,202.29 = 3,356,427.49/x - Step 3: Cross multiply
8,214,120.81x = 12,321,202.29 × 3,356,427.49 - Step 4: Simplify right side
8,214,120.81x = 41,355,222,076,006.95 - Step 5: Solve for x
x = 41,355,222,076,006.95/8,214,120.81 - Step 6: Final answer
x = 5,034,649.85
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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.