Finding the Fourth Proportional to 18,646,409.40, 27,922,374.90 and 14,867,273.40
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Solution
The fourth proportional to 18,646,409.40, 27,922,374.90 and 14,867,273.40 is: 22,263,245.04
Step by Step Solution
- Step 1: Write the proportion equation
18,646,409.40 : 27,922,374.90 = 14,867,273.40 : x - Step 2: Convert to fraction form
18,646,409.40/27,922,374.90 = 14,867,273.40/x - Step 3: Cross multiply
18,646,409.40x = 27,922,374.90 × 14,867,273.40 - Step 4: Simplify right side
18,646,409.40x = 415,129,581,615,597.62 - Step 5: Solve for x
x = 415,129,581,615,597.62/18,646,409.40 - Step 6: Final answer
x = 22,263,245.04
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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.