Finding the Fourth Proportional to 11,179,263.36, 16,772,439.60 and 3,990,642.96
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Solution
The fourth proportional to 11,179,263.36, 16,772,439.60 and 3,990,642.96 is: 5,987,229.74
Step by Step Solution
- Step 1: Write the proportion equation
11,179,263.36 : 16,772,439.60 = 3,990,642.96 : x - Step 2: Convert to fraction form
11,179,263.36/16,772,439.60 = 3,990,642.96/x - Step 3: Cross multiply
11,179,263.36x = 16,772,439.60 × 3,990,642.96 - Step 4: Simplify right side
11,179,263.36x = 66,932,818,011,765.21 - Step 5: Solve for x
x = 66,932,818,011,765.21/11,179,263.36 - Step 6: Final answer
x = 5,987,229.74
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.