Finding the Fourth Proportional to 19,957,755.48, 27,539,645.88 and 14,733,542.20
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Solution
The fourth proportional to 19,957,755.48, 27,539,645.88 and 14,733,542.20 is: 20,330,769.92
Step by Step Solution
- Step 1: Write the proportion equation
19,957,755.48 : 27,539,645.88 = 14,733,542.20 : x - Step 2: Convert to fraction form
19,957,755.48/27,539,645.88 = 14,733,542.20/x - Step 3: Cross multiply
19,957,755.48x = 27,539,645.88 × 14,733,542.20 - Step 4: Simplify right side
19,957,755.48x = 405,756,534,746,036.12 - Step 5: Solve for x
x = 405,756,534,746,036.12/19,957,755.48 - Step 6: Final answer
x = 20,330,769.92
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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.