Finding the Fourth Proportional to 10,461,755.80, 15,692,633.70 and 3,727,739.80
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Solution
The fourth proportional to 10,461,755.80, 15,692,633.70 and 3,727,739.80 is: 5,591,609.70
Step by Step Solution
- Step 1: Write the proportion equation
10,461,755.80 : 15,692,633.70 = 3,727,739.80 : x - Step 2: Convert to fraction form
10,461,755.80/15,692,633.70 = 3,727,739.80/x - Step 3: Cross multiply
10,461,755.80x = 15,692,633.70 × 3,727,739.80 - Step 4: Simplify right side
10,461,755.80x = 58,498,055,210,311.26 - Step 5: Solve for x
x = 58,498,055,210,311.26/10,461,755.80 - Step 6: Final answer
x = 5,591,609.70
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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.