Finding the Fourth Proportional to 7,486,051.80, 11,229,077.70 and 4,126,819.80
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Solution
The fourth proportional to 7,486,051.80, 11,229,077.70 and 4,126,819.80 is: 6,190,229.70
Step by Step Solution
- Step 1: Write the proportion equation
7,486,051.80 : 11,229,077.70 = 4,126,819.80 : x - Step 2: Convert to fraction form
7,486,051.80/11,229,077.70 = 4,126,819.80/x - Step 3: Cross multiply
7,486,051.80x = 11,229,077.70 × 4,126,819.80 - Step 4: Simplify right side
7,486,051.80x = 46,340,380,188,098.45 - Step 5: Solve for x
x = 46,340,380,188,098.45/7,486,051.80 - Step 6: Final answer
x = 6,190,229.70
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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.