Finding the Fourth Proportional to 10,346,390.50, 14,278,023.12 and 5,997,997.84
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Solution
The fourth proportional to 10,346,390.50, 14,278,023.12 and 5,997,997.84 is: 8,277,239.47
Step by Step Solution
- Step 1: Write the proportion equation
10,346,390.50 : 14,278,023.12 = 5,997,997.84 : x - Step 2: Convert to fraction form
10,346,390.50/14,278,023.12 = 5,997,997.84/x - Step 3: Cross multiply
10,346,390.50x = 14,278,023.12 × 5,997,997.84 - Step 4: Simplify right side
10,346,390.50x = 85,639,551,833,230.05 - Step 5: Solve for x
x = 85,639,551,833,230.05/10,346,390.50 - Step 6: Final answer
x = 8,277,239.47
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1.5x scale
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.