Finding the Fourth Proportional to 8,206,113.12, 11,324,662.56 and 4,535,267.76
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Solution
The fourth proportional to 8,206,113.12, 11,324,662.56 and 4,535,267.76 is: 6,258,794.66
Step by Step Solution
- Step 1: Write the proportion equation
8,206,113.12 : 11,324,662.56 = 4,535,267.76 : x - Step 2: Convert to fraction form
8,206,113.12/11,324,662.56 = 4,535,267.76/x - Step 3: Cross multiply
8,206,113.12x = 11,324,662.56 × 4,535,267.76 - Step 4: Simplify right side
8,206,113.12x = 51,360,377,001,247.06 - Step 5: Solve for x
x = 51,360,377,001,247.06/8,206,113.12 - Step 6: Final answer
x = 6,258,794.66
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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.