Finding the Fourth Proportional to 20,573,125.77, 30,864,819.90 and 14,519,682
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Solution
The fourth proportional to 20,573,125.77, 30,864,819.90 and 14,519,682 is: 21,783,144.43
Step by Step Solution
- Step 1: Write the proportion equation
20,573,125.77 : 30,864,819.90 = 14,519,682 : x - Step 2: Convert to fraction form
20,573,125.77/30,864,819.90 = 14,519,682/x - Step 3: Cross multiply
20,573,125.77x = 30,864,819.90 × 14,519,682 - Step 4: Simplify right side
20,573,125.77x = 448,147,369,935,271.75 - Step 5: Solve for x
x = 448,147,369,935,271.75/20,573,125.77 - Step 6: Final answer
x = 21,783,144.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.