Finding the Fourth Proportional to 8,019,416.91, 11,067,012.94 and 4,535,276.70
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Solution
The fourth proportional to 8,019,416.91, 11,067,012.94 and 4,535,276.70 is: 6,258,804.90
Step by Step Solution
- Step 1: Write the proportion equation
8,019,416.91 : 11,067,012.94 = 4,535,276.70 : x - Step 2: Convert to fraction form
8,019,416.91/11,067,012.94 = 4,535,276.70/x - Step 3: Cross multiply
8,019,416.91x = 11,067,012.94 × 4,535,276.70 - Step 4: Simplify right side
8,019,416.91x = 50,191,965,847,369.05 - Step 5: Solve for x
x = 50,191,965,847,369.05/8,019,416.91 - Step 6: Final answer
x = 6,258,804.90
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1.5x scale
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.