Finding the Fourth Proportional to 23,291,843.50, 32,142,313.50 and 12,695,324.68
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Solution
The fourth proportional to 23,291,843.50, 32,142,313.50 and 12,695,324.68 is: 17,519,313.40
Step by Step Solution
- Step 1: Write the proportion equation
23,291,843.50 : 32,142,313.50 = 12,695,324.68 : x - Step 2: Convert to fraction form
23,291,843.50/32,142,313.50 = 12,695,324.68/x - Step 3: Cross multiply
23,291,843.50x = 32,142,313.50 × 12,695,324.68 - Step 4: Simplify right side
23,291,843.50x = 408,057,105,848,847.19 - Step 5: Solve for x
x = 408,057,105,848,847.19/23,291,843.50 - Step 6: Final answer
x = 17,519,313.40
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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.