Finding the Fourth Proportional to 23,399,455.92, 32,291,138.93 and 13,086,220.02
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Solution
The fourth proportional to 23,399,455.92, 32,291,138.93 and 13,086,220.02 is: 18,058,921.97
Step by Step Solution
- Step 1: Write the proportion equation
23,399,455.92 : 32,291,138.93 = 13,086,220.02 : x - Step 2: Convert to fraction form
23,399,455.92/32,291,138.93 = 13,086,220.02/x - Step 3: Cross multiply
23,399,455.92x = 32,291,138.93 × 13,086,220.02 - Step 4: Simplify right side
23,399,455.92x = 422,568,948,668,936.25 - Step 5: Solve for x
x = 422,568,948,668,936.25/23,399,455.92 - Step 6: Final answer
x = 18,058,921.97
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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.