Finding the Fourth Proportional to 7,114,794.44, 9,818,419.36 and 3,851,609.08
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Solution
The fourth proportional to 7,114,794.44, 9,818,419.36 and 3,851,609.08 is: 5,315,222.17
Step by Step Solution
- Step 1: Write the proportion equation
7,114,794.44 : 9,818,419.36 = 3,851,609.08 : x - Step 2: Convert to fraction form
7,114,794.44/9,818,419.36 = 3,851,609.08/x - Step 3: Cross multiply
7,114,794.44x = 9,818,419.36 × 3,851,609.08 - Step 4: Simplify right side
7,114,794.44x = 37,816,713,158,223.79 - Step 5: Solve for x
x = 37,816,713,158,223.79/7,114,794.44 - Step 6: Final answer
x = 5,315,222.17
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.