Finding the Fourth Proportional to 12,215,350.24, 18,323,014.94 and 3,117,447.12
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Solution
The fourth proportional to 12,215,350.24, 18,323,014.94 and 3,117,447.12 is: 4,676,168.02
Step by Step Solution
- Step 1: Write the proportion equation
12,215,350.24 : 18,323,014.94 = 3,117,447.12 : x - Step 2: Convert to fraction form
12,215,350.24/18,323,014.94 = 3,117,447.12/x - Step 3: Cross multiply
12,215,350.24x = 18,323,014.94 × 3,117,447.12 - Step 4: Simplify right side
12,215,350.24x = 57,121,030,154,419.98 - Step 5: Solve for x
x = 57,121,030,154,419.98/12,215,350.24 - Step 6: Final answer
x = 4,676,168.02
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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.