Finding the Fourth Proportional to 20,907,228.68, 31,315,120.14 and 14,823,519.56
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Solution
The fourth proportional to 20,907,228.68, 31,315,120.14 and 14,823,519.56 is: 22,202,861.17
Step by Step Solution
- Step 1: Write the proportion equation
20,907,228.68 : 31,315,120.14 = 14,823,519.56 : x - Step 2: Convert to fraction form
20,907,228.68/31,315,120.14 = 14,823,519.56/x - Step 3: Cross multiply
20,907,228.68x = 31,315,120.14 × 14,823,519.56 - Step 4: Simplify right side
20,907,228.68x = 464,200,295,919,039.94 - Step 5: Solve for x
x = 464,200,295,919,039.94/20,907,228.68 - Step 6: Final answer
x = 22,202,861.17
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.