Finding the Fourth Proportional to 11,103,695.48, 16,655,543.22 and 8,581,161.08
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Solution
The fourth proportional to 11,103,695.48, 16,655,543.22 and 8,581,161.08 is: 12,871,741.62
Step by Step Solution
- Step 1: Write the proportion equation
11,103,695.48 : 16,655,543.22 = 8,581,161.08 : x - Step 2: Convert to fraction form
11,103,695.48/16,655,543.22 = 8,581,161.08/x - Step 3: Cross multiply
11,103,695.48x = 16,655,543.22 × 8,581,161.08 - Step 4: Simplify right side
11,103,695.48x = 142,923,899,162,444.16 - Step 5: Solve for x
x = 142,923,899,162,444.16/11,103,695.48 - Step 6: Final answer
x = 12,871,741.62
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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.