Finding the Fourth Proportional to 10,715,170.23, 14,786,923.68 and 5,820,396.21
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Solution
The fourth proportional to 10,715,170.23, 14,786,923.68 and 5,820,396.21 is: 8,032,140.67
Step by Step Solution
- Step 1: Write the proportion equation
10,715,170.23 : 14,786,923.68 = 5,820,396.21 : x - Step 2: Convert to fraction form
10,715,170.23/14,786,923.68 = 5,820,396.21/x - Step 3: Cross multiply
10,715,170.23x = 14,786,923.68 × 5,820,396.21 - Step 4: Simplify right side
10,715,170.23x = 86,065,754,544,631.25 - Step 5: Solve for x
x = 86,065,754,544,631.25/10,715,170.23 - Step 6: Final answer
x = 8,032,140.67
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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.