Finding the Fourth Proportional to 29,981,451.39, 41,374,537.11 and 16,230,415.47
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Solution
The fourth proportional to 29,981,451.39, 41,374,537.11 and 16,230,415.47 is: 22,398,045.99
Step by Step Solution
- Step 1: Write the proportion equation
29,981,451.39 : 41,374,537.11 = 16,230,415.47 : x - Step 2: Convert to fraction form
29,981,451.39/41,374,537.11 = 16,230,415.47/x - Step 3: Cross multiply
29,981,451.39x = 41,374,537.11 × 16,230,415.47 - Step 4: Simplify right side
29,981,451.39x = 671,525,927,174,233.12 - Step 5: Solve for x
x = 671,525,927,174,233.12/29,981,451.39 - Step 6: Final answer
x = 22,398,045.99
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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.