Finding the Fourth Proportional to 6,572,026.72, 9,115,795.66 and 6,397,241.68
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Solution
The fourth proportional to 6,572,026.72, 9,115,795.66 and 6,397,241.68 is: 8,873,358.32
Step by Step Solution
- Step 1: Write the proportion equation
6,572,026.72 : 9,115,795.66 = 6,397,241.68 : x - Step 2: Convert to fraction form
6,572,026.72/9,115,795.66 = 6,397,241.68/x - Step 3: Cross multiply
6,572,026.72x = 9,115,795.66 × 6,397,241.68 - Step 4: Simplify right side
6,572,026.72x = 58,315,947,942,515.11 - Step 5: Solve for x
x = 58,315,947,942,515.11/6,572,026.72 - Step 6: Final answer
x = 8,873,358.32
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.