Finding the Fourth Proportional to 20,296,797.50, 27,982,484.55 and 16,124,326.64
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Solution
The fourth proportional to 20,296,797.50, 27,982,484.55 and 16,124,326.64 is: 22,230,044.98
Step by Step Solution
- Step 1: Write the proportion equation
20,296,797.50 : 27,982,484.55 = 16,124,326.64 : x - Step 2: Convert to fraction form
20,296,797.50/27,982,484.55 = 16,124,326.64/x - Step 3: Cross multiply
20,296,797.50x = 27,982,484.55 × 16,124,326.64 - Step 4: Simplify right side
20,296,797.50x = 451,198,721,213,375.88 - Step 5: Solve for x
x = 451,198,721,213,375.88/20,296,797.50 - Step 6: Final answer
x = 22,230,044.98
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.