Finding the Fourth Proportional to 11,008,077.80, 16,512,116.70 and 6,703,405.70
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Solution
The fourth proportional to 11,008,077.80, 16,512,116.70 and 6,703,405.70 is: 10,055,108.55
Step by Step Solution
- Step 1: Write the proportion equation
11,008,077.80 : 16,512,116.70 = 6,703,405.70 : x - Step 2: Convert to fraction form
11,008,077.80/16,512,116.70 = 6,703,405.70/x - Step 3: Cross multiply
11,008,077.80x = 16,512,116.70 × 6,703,405.70 - Step 4: Simplify right side
11,008,077.80x = 110,687,417,205,845.19 - Step 5: Solve for x
x = 110,687,417,205,845.19/11,008,077.80 - Step 6: Final answer
x = 10,055,108.55
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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.