Finding the Fourth Proportional to 21,716,125.36, 32,574,160.44 and 5,542,076.92
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Solution
The fourth proportional to 21,716,125.36, 32,574,160.44 and 5,542,076.92 is: 8,313,108.34
Step by Step Solution
- Step 1: Write the proportion equation
21,716,125.36 : 32,574,160.44 = 5,542,076.92 : x - Step 2: Convert to fraction form
21,716,125.36/32,574,160.44 = 5,542,076.92/x - Step 3: Cross multiply
21,716,125.36x = 32,574,160.44 × 5,542,076.92 - Step 4: Simplify right side
21,716,125.36x = 180,528,502,762,901.06 - Step 5: Solve for x
x = 180,528,502,762,901.06/21,716,125.36 - Step 6: Final answer
x = 8,313,108.34
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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.