Finding the Fourth Proportional to 35,537,949.81, 53,310,177.88 and 9,978,786.99
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Solution
The fourth proportional to 35,537,949.81, 53,310,177.88 and 9,978,786.99 is: 14,969,093.95
Step by Step Solution
- Step 1: Write the proportion equation
35,537,949.81 : 53,310,177.88 = 9,978,786.99 : x - Step 2: Convert to fraction form
35,537,949.81/53,310,177.88 = 9,978,786.99/x - Step 3: Cross multiply
35,537,949.81x = 53,310,177.88 × 9,978,786.99 - Step 4: Simplify right side
35,537,949.81x = 531,970,909,438,582.81 - Step 5: Solve for x
x = 531,970,909,438,582.81/35,537,949.81 - Step 6: Final answer
x = 14,969,093.95
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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.