Finding the Fourth Proportional to 7,466,305.20, 11,207,752.20 and 4,629,620.40
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Solution
The fourth proportional to 7,466,305.20, 11,207,752.20 and 4,629,620.40 is: 6,949,573.70
Step by Step Solution
- Step 1: Write the proportion equation
7,466,305.20 : 11,207,752.20 = 4,629,620.40 : x - Step 2: Convert to fraction form
7,466,305.20/11,207,752.20 = 4,629,620.40/x - Step 3: Cross multiply
7,466,305.20x = 11,207,752.20 × 4,629,620.40 - Step 4: Simplify right side
7,466,305.20x = 51,887,638,223,264.88 - Step 5: Solve for x
x = 51,887,638,223,264.88/7,466,305.20 - Step 6: Final answer
x = 6,949,573.70
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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.