Finding the Fourth Proportional to 14,729,489.35, 20,325,236.24 and 8,203,724.96
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Solution
The fourth proportional to 14,729,489.35, 20,325,236.24 and 8,203,724.96 is: 11,320,327.80
Step by Step Solution
- Step 1: Write the proportion equation
14,729,489.35 : 20,325,236.24 = 8,203,724.96 : x - Step 2: Convert to fraction form
14,729,489.35/20,325,236.24 = 8,203,724.96/x - Step 3: Cross multiply
14,729,489.35x = 20,325,236.24 × 8,203,724.96 - Step 4: Simplify right side
14,729,489.35x = 166,742,647,778,867.69 - Step 5: Solve for x
x = 166,742,647,778,867.69/14,729,489.35 - Step 6: Final answer
x = 11,320,327.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.