Finding the Fourth Proportional to 8,441,586.68, 11,649,604.86 and 5,180,202.68
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Solution
The fourth proportional to 8,441,586.68, 11,649,604.86 and 5,180,202.68 is: 7,148,811.78
Step by Step Solution
- Step 1: Write the proportion equation
8,441,586.68 : 11,649,604.86 = 5,180,202.68 : x - Step 2: Convert to fraction form
8,441,586.68/11,649,604.86 = 5,180,202.68/x - Step 3: Cross multiply
8,441,586.68x = 11,649,604.86 × 5,180,202.68 - Step 4: Simplify right side
8,441,586.68x = 60,347,314,316,713.02 - Step 5: Solve for x
x = 60,347,314,316,713.02/8,441,586.68 - Step 6: Final answer
x = 7,148,811.78
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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.