Finding the Fourth Proportional to 8,275,931.26, 11,419,074.03 and 4,837,507.18
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Solution
The fourth proportional to 8,275,931.26, 11,419,074.03 and 4,837,507.18 is: 6,674,759.72
Step by Step Solution
- Step 1: Write the proportion equation
8,275,931.26 : 11,419,074.03 = 4,837,507.18 : x - Step 2: Convert to fraction form
8,275,931.26/11,419,074.03 = 4,837,507.18/x - Step 3: Cross multiply
8,275,931.26x = 11,419,074.03 × 4,837,507.18 - Step 4: Simplify right side
8,275,931.26x = 55,239,852,609,076.53 - Step 5: Solve for x
x = 55,239,852,609,076.53/8,275,931.26 - Step 6: Final answer
x = 6,674,759.72
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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.