Finding the Fourth Proportional to 32,103,678.53, 48,155,517.79 and 20,624,552.93
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Solution
The fourth proportional to 32,103,678.53, 48,155,517.79 and 20,624,552.93 is: 30,936,829.39
Step by Step Solution
- Step 1: Write the proportion equation
32,103,678.53 : 48,155,517.79 = 20,624,552.93 : x - Step 2: Convert to fraction form
32,103,678.53/48,155,517.79 = 20,624,552.93/x - Step 3: Cross multiply
32,103,678.53x = 48,155,517.79 × 20,624,552.93 - Step 4: Simplify right side
32,103,678.53x = 993,186,025,239,072.75 - Step 5: Solve for x
x = 993,186,025,239,072.75/32,103,678.53 - Step 6: Final answer
x = 30,936,829.39
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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.