Finding the Fourth Proportional to 7,153,923.67, 10,730,950.37 and 2,036,351.55
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Solution
The fourth proportional to 7,153,923.67, 10,730,950.37 and 2,036,351.55 is: 3,054,545.79
Step by Step Solution
- Step 1: Write the proportion equation
7,153,923.67 : 10,730,950.37 = 2,036,351.55 : x - Step 2: Convert to fraction form
7,153,923.67/10,730,950.37 = 2,036,351.55/x - Step 3: Cross multiply
7,153,923.67x = 10,730,950.37 × 2,036,351.55 - Step 4: Simplify right side
7,153,923.67x = 21,851,987,418,922.57 - Step 5: Solve for x
x = 21,851,987,418,922.57/7,153,923.67 - Step 6: Final answer
x = 3,054,545.79
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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.