Finding the Fourth Proportional to 7,336,636.24, 10,107,903.68 and 5,677,077.44
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Solution
The fourth proportional to 7,336,636.24, 10,107,903.68 and 5,677,077.44 is: 7,821,479.77
Step by Step Solution
- Step 1: Write the proportion equation
7,336,636.24 : 10,107,903.68 = 5,677,077.44 : x - Step 2: Convert to fraction form
7,336,636.24/10,107,903.68 = 5,677,077.44/x - Step 3: Cross multiply
7,336,636.24x = 10,107,903.68 × 5,677,077.44 - Step 4: Simplify right side
7,336,636.24x = 57,383,351,947,420.98 - Step 5: Solve for x
x = 57,383,351,947,420.98/7,336,636.24 - Step 6: Final answer
x = 7,821,479.77
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1.5x scale
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.