Finding the Fourth Proportional to 19,957,740.48, 27,539,625.12 and 14,733,527.20
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Solution
The fourth proportional to 19,957,740.48, 27,539,625.12 and 14,733,527.20 is: 20,330,749.17
Step by Step Solution
- Step 1: Write the proportion equation
19,957,740.48 : 27,539,625.12 = 14,733,527.20 : x - Step 2: Convert to fraction form
19,957,740.48/27,539,625.12 = 14,733,527.20/x - Step 3: Cross multiply
19,957,740.48x = 27,539,625.12 × 14,733,527.20 - Step 4: Simplify right side
19,957,740.48x = 405,755,815,783,323.25 - Step 5: Solve for x
x = 405,755,815,783,323.25/19,957,740.48 - Step 6: Final answer
x = 20,330,749.17
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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.