Finding the Fourth Proportional to 20,029,230.42, 30,042,942.81 and 8,352,793.68
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Solution
The fourth proportional to 20,029,230.42, 30,042,942.81 and 8,352,793.68 is: 12,528,814.02
Step by Step Solution
- Step 1: Write the proportion equation
20,029,230.42 : 30,042,942.81 = 8,352,793.68 : x - Step 2: Convert to fraction form
20,029,230.42/30,042,942.81 = 8,352,793.68/x - Step 3: Cross multiply
20,029,230.42x = 30,042,942.81 × 8,352,793.68 - Step 4: Simplify right side
20,029,230.42x = 250,942,502,831,969.41 - Step 5: Solve for x
x = 250,942,502,831,969.41/20,029,230.42 - Step 6: Final answer
x = 12,528,814.02
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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.