Finding the Fourth Proportional to 8,211,255.92, 12,315,432.36 and 2,228,090.48
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Solution
The fourth proportional to 8,211,255.92, 12,315,432.36 and 2,228,090.48 is: 3,341,741.86
Step by Step Solution
- Step 1: Write the proportion equation
8,211,255.92 : 12,315,432.36 = 2,228,090.48 : x - Step 2: Convert to fraction form
8,211,255.92/12,315,432.36 = 2,228,090.48/x - Step 3: Cross multiply
8,211,255.92x = 12,315,432.36 × 2,228,090.48 - Step 4: Simplify right side
8,211,255.92x = 27,439,897,598,399.93 - Step 5: Solve for x
x = 27,439,897,598,399.93/8,211,255.92 - Step 6: Final answer
x = 3,341,741.86
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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.