Finding the Fourth Proportional to 17,626,572.81, 24,318,434.79 and 11,518,544.25
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Solution
The fourth proportional to 17,626,572.81, 24,318,434.79 and 11,518,544.25 is: 15,891,516.19
Step by Step Solution
- Step 1: Write the proportion equation
17,626,572.81 : 24,318,434.79 = 11,518,544.25 : x - Step 2: Convert to fraction form
17,626,572.81/24,318,434.79 = 11,518,544.25/x - Step 3: Cross multiply
17,626,572.81x = 24,318,434.79 × 11,518,544.25 - Step 4: Simplify right side
17,626,572.81x = 280,112,967,219,354.44 - Step 5: Solve for x
x = 280,112,967,219,354.44/17,626,572.81 - Step 6: Final answer
x = 15,891,516.19
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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.