Finding the Fourth Proportional to 7,497,755.70, 11,246,633.55 and 7,203,822.90
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Solution
The fourth proportional to 7,497,755.70, 11,246,633.55 and 7,203,822.90 is: 10,805,734.35
Step by Step Solution
- Step 1: Write the proportion equation
7,497,755.70 : 11,246,633.55 = 7,203,822.90 : x - Step 2: Convert to fraction form
7,497,755.70/11,246,633.55 = 7,203,822.90/x - Step 3: Cross multiply
7,497,755.70x = 11,246,633.55 × 7,203,822.90 - Step 4: Simplify right side
7,497,755.70x = 81,018,756,315,398.30 - Step 5: Solve for x
x = 81,018,756,315,398.30/7,497,755.70 - Step 6: Final answer
x = 10,805,734.35
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1.5x scale
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.