Finding the Fourth Proportional to 6,904,048.20, 10,356,072.30 and 6,232,201.80
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Solution
The fourth proportional to 6,904,048.20, 10,356,072.30 and 6,232,201.80 is: 9,348,302.70
Step by Step Solution
- Step 1: Write the proportion equation
6,904,048.20 : 10,356,072.30 = 6,232,201.80 : x - Step 2: Convert to fraction form
6,904,048.20/10,356,072.30 = 6,232,201.80/x - Step 3: Cross multiply
6,904,048.20x = 10,356,072.30 × 6,232,201.80 - Step 4: Simplify right side
6,904,048.20x = 64,541,132,428,990.14 - Step 5: Solve for x
x = 64,541,132,428,990.14/6,904,048.20 - Step 6: Final answer
x = 9,348,302.70
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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.