Finding the Fourth Proportional to 7,234,440.23, 9,983,488.11 and 3,971,310.49
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Solution
The fourth proportional to 7,234,440.23, 9,983,488.11 and 3,971,310.49 is: 5,480,386.84
Step by Step Solution
- Step 1: Write the proportion equation
7,234,440.23 : 9,983,488.11 = 3,971,310.49 : x - Step 2: Convert to fraction form
7,234,440.23/9,983,488.11 = 3,971,310.49/x - Step 3: Cross multiply
7,234,440.23x = 9,983,488.11 × 3,971,310.49 - Step 4: Simplify right side
7,234,440.23x = 39,647,531,058,033.27 - Step 5: Solve for x
x = 39,647,531,058,033.27/7,234,440.23 - Step 6: Final answer
x = 5,480,386.84
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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.