Finding the Fourth Proportional to 18,529,088.10, 27,804,550.95 and 7,745,558.10
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Solution
The fourth proportional to 18,529,088.10, 27,804,550.95 and 7,745,558.10 is: 11,622,901.44
Step by Step Solution
- Step 1: Write the proportion equation
18,529,088.10 : 27,804,550.95 = 7,745,558.10 : x - Step 2: Convert to fraction form
18,529,088.10/27,804,550.95 = 7,745,558.10/x - Step 3: Cross multiply
18,529,088.10x = 27,804,550.95 × 7,745,558.10 - Step 4: Simplify right side
18,529,088.10x = 215,361,764,827,635.19 - Step 5: Solve for x
x = 215,361,764,827,635.19/18,529,088.10 - Step 6: Final answer
x = 11,622,901.44
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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.