Finding the Fourth Proportional to 23,589,855.80, 32,555,048.94 and 13,277,247.80
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Solution
The fourth proportional to 23,589,855.80, 32,555,048.94 and 13,277,247.80 is: 18,323,191.78
Step by Step Solution
- Step 1: Write the proportion equation
23,589,855.80 : 32,555,048.94 = 13,277,247.80 : x - Step 2: Convert to fraction form
23,589,855.80/32,555,048.94 = 13,277,247.80/x - Step 3: Cross multiply
23,589,855.80x = 32,555,048.94 × 13,277,247.80 - Step 4: Simplify right side
23,589,855.80x = 432,241,451,917,507.38 - Step 5: Solve for x
x = 432,241,451,917,507.38/23,589,855.80 - Step 6: Final answer
x = 18,323,191.78
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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.