Finding the Fourth Proportional to 10,126,162.44, 13,974,121.08 and 5,542,774.20
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Solution
The fourth proportional to 10,126,162.44, 13,974,121.08 and 5,542,774.20 is: 7,649,037.65
Step by Step Solution
- Step 1: Write the proportion equation
10,126,162.44 : 13,974,121.08 = 5,542,774.20 : x - Step 2: Convert to fraction form
10,126,162.44/13,974,121.08 = 5,542,774.20/x - Step 3: Cross multiply
10,126,162.44x = 13,974,121.08 × 5,542,774.20 - Step 4: Simplify right side
10,126,162.44x = 77,455,397,789,900.14 - Step 5: Solve for x
x = 77,455,397,789,900.14/10,126,162.44 - Step 6: Final answer
x = 7,649,037.65
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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.