Finding the Fourth Proportional to 6,904,778.01, 9,532,676.49 and 6,138,712.02
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Solution
The fourth proportional to 6,904,778.01, 9,532,676.49 and 6,138,712.02 is: 8,475,052.44
Step by Step Solution
- Step 1: Write the proportion equation
6,904,778.01 : 9,532,676.49 = 6,138,712.02 : x - Step 2: Convert to fraction form
6,904,778.01/9,532,676.49 = 6,138,712.02/x - Step 3: Cross multiply
6,904,778.01x = 9,532,676.49 × 6,138,712.02 - Step 4: Simplify right side
6,904,778.01x = 58,518,355,751,934.41 - Step 5: Solve for x
x = 58,518,355,751,934.41/6,904,778.01 - Step 6: Final answer
x = 8,475,052.44
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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.