Finding the Fourth Proportional to 18,269,451.96, 25,211,842.98 and 10,009,827.70
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Solution
The fourth proportional to 18,269,451.96, 25,211,842.98 and 10,009,827.70 is: 13,813,561.83
Step by Step Solution
- Step 1: Write the proportion equation
18,269,451.96 : 25,211,842.98 = 10,009,827.70 : x - Step 2: Convert to fraction form
18,269,451.96/25,211,842.98 = 10,009,827.70/x - Step 3: Cross multiply
18,269,451.96x = 25,211,842.98 × 10,009,827.70 - Step 4: Simplify right side
18,269,451.96x = 252,366,204,229,254.53 - Step 5: Solve for x
x = 252,366,204,229,254.53/18,269,451.96 - Step 6: Final answer
x = 13,813,561.83
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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.