Finding the Fourth Proportional to 19,669,728.40, 29,504,592.60 and 6,206,556.40
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Solution
The fourth proportional to 19,669,728.40, 29,504,592.60 and 6,206,556.40 is: 9,309,834.60
Step by Step Solution
- Step 1: Write the proportion equation
19,669,728.40 : 29,504,592.60 = 6,206,556.40 : x - Step 2: Convert to fraction form
19,669,728.40/29,504,592.60 = 6,206,556.40/x - Step 3: Cross multiply
19,669,728.40x = 29,504,592.60 × 6,206,556.40 - Step 4: Simplify right side
19,669,728.40x = 183,121,918,030,922.66 - Step 5: Solve for x
x = 183,121,918,030,922.66/19,669,728.40 - Step 6: Final answer
x = 9,309,834.60
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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.