Finding the Fourth Proportional to 11,481,460.56, 15,844,341.96 and 6,324,702.48
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Solution
The fourth proportional to 11,481,460.56, 15,844,341.96 and 6,324,702.48 is: 8,728,048.87
Step by Step Solution
- Step 1: Write the proportion equation
11,481,460.56 : 15,844,341.96 = 6,324,702.48 : x - Step 2: Convert to fraction form
11,481,460.56/15,844,341.96 = 6,324,702.48/x - Step 3: Cross multiply
11,481,460.56x = 15,844,341.96 × 6,324,702.48 - Step 4: Simplify right side
11,481,460.56x = 100,210,748,888,380.08 - Step 5: Solve for x
x = 100,210,748,888,380.08/11,481,460.56 - Step 6: Final answer
x = 8,728,048.87
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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.