Finding the Fourth Proportional to 7,637,660.85, 11,458,882.40 and 2,523,683.93
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Solution
The fourth proportional to 7,637,660.85, 11,458,882.40 and 2,523,683.93 is: 3,786,315.99
Step by Step Solution
- Step 1: Write the proportion equation
7,637,660.85 : 11,458,882.40 = 2,523,683.93 : x - Step 2: Convert to fraction form
7,637,660.85/11,458,882.40 = 2,523,683.93/x - Step 3: Cross multiply
7,637,660.85x = 11,458,882.40 × 2,523,683.93 - Step 4: Simplify right side
7,637,660.85x = 28,918,597,384,668.62 - Step 5: Solve for x
x = 28,918,597,384,668.62/7,637,660.85 - Step 6: Final answer
x = 3,786,315.99
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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.