Finding the Fourth Proportional to 32,780,163.18, 45,235,439.49 and 18,095,514.15
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Solution
The fourth proportional to 32,780,163.18, 45,235,439.49 and 18,095,514.15 is: 24,971,154.99
Step by Step Solution
- Step 1: Write the proportion equation
32,780,163.18 : 45,235,439.49 = 18,095,514.15 : x - Step 2: Convert to fraction form
32,780,163.18/45,235,439.49 = 18,095,514.15/x - Step 3: Cross multiply
32,780,163.18x = 45,235,439.49 × 18,095,514.15 - Step 4: Simplify right side
32,780,163.18x = 818,558,535,372,763.75 - Step 5: Solve for x
x = 818,558,535,372,763.75/32,780,163.18 - Step 6: Final answer
x = 24,971,154.99
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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.