Finding the Fourth Proportional to 8,802,471.80, 13,203,707.70 and 7,682,727.80
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Solution
The fourth proportional to 8,802,471.80, 13,203,707.70 and 7,682,727.80 is: 11,524,091.70
Step by Step Solution
- Step 1: Write the proportion equation
8,802,471.80 : 13,203,707.70 = 7,682,727.80 : x - Step 2: Convert to fraction form
8,802,471.80/13,203,707.70 = 7,682,727.80/x - Step 3: Cross multiply
8,802,471.80x = 13,203,707.70 × 7,682,727.80 - Step 4: Simplify right side
8,802,471.80x = 101,440,492,209,864.05 - Step 5: Solve for x
x = 101,440,492,209,864.05/8,802,471.80 - Step 6: Final answer
x = 11,524,091.70
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1.5x scale
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.