Finding the Fourth Proportional to 7,859,887.43, 10,846,533.55 and 4,422,120.26
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Solution
The fourth proportional to 7,859,887.43, 10,846,533.55 and 4,422,120.26 is: 6,102,463.45
Step by Step Solution
- Step 1: Write the proportion equation
7,859,887.43 : 10,846,533.55 = 4,422,120.26 : x - Step 2: Convert to fraction form
7,859,887.43/10,846,533.55 = 4,422,120.26/x - Step 3: Cross multiply
7,859,887.43x = 10,846,533.55 × 4,422,120.26 - Step 4: Simplify right side
7,859,887.43x = 47,964,675,754,194.20 - Step 5: Solve for x
x = 47,964,675,754,194.20/7,859,887.43 - Step 6: Final answer
x = 6,102,463.45
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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.