Finding the Fourth Proportional to 13,562,125.52, 18,715,998.24 and 7,450,785.68
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Solution
The fourth proportional to 13,562,125.52, 18,715,998.24 and 7,450,785.68 is: 10,282,229.84
Step by Step Solution
- Step 1: Write the proportion equation
13,562,125.52 : 18,715,998.24 = 7,450,785.68 : x - Step 2: Convert to fraction form
13,562,125.52/18,715,998.24 = 7,450,785.68/x - Step 3: Cross multiply
13,562,125.52x = 18,715,998.24 × 7,450,785.68 - Step 4: Simplify right side
13,562,125.52x = 139,448,891,673,497.19 - Step 5: Solve for x
x = 139,448,891,673,497.19/13,562,125.52 - Step 6: Final answer
x = 10,282,229.84
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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.