Finding the Fourth Proportional to 30,057,895.97, 41,479,976.64 and 16,306,860.09
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Solution
The fourth proportional to 30,057,895.97, 41,479,976.64 and 16,306,860.09 is: 22,503,510.44
Step by Step Solution
- Step 1: Write the proportion equation
30,057,895.97 : 41,479,976.64 = 16,306,860.09 : x - Step 2: Convert to fraction form
30,057,895.97/41,479,976.64 = 16,306,860.09/x - Step 3: Cross multiply
30,057,895.97x = 41,479,976.64 × 16,306,860.09 - Step 4: Simplify right side
30,057,895.97x = 676,408,175,821,648.88 - Step 5: Solve for x
x = 676,408,175,821,648.88/30,057,895.97 - Step 6: Final answer
x = 22,503,510.44
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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.