Finding the Fourth Proportional to 18,042,130.20, 27,063,195.30 and 16,250,539.80
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Solution
The fourth proportional to 18,042,130.20, 27,063,195.30 and 16,250,539.80 is: 24,375,809.70
Step by Step Solution
- Step 1: Write the proportion equation
18,042,130.20 : 27,063,195.30 = 16,250,539.80 : x - Step 2: Convert to fraction form
18,042,130.20/27,063,195.30 = 16,250,539.80/x - Step 3: Cross multiply
18,042,130.20x = 27,063,195.30 × 16,250,539.80 - Step 4: Simplify right side
18,042,130.20x = 439,791,532,337,823 - Step 5: Solve for x
x = 439,791,532,337,823/18,042,130.20 - Step 6: Final answer
x = 24,375,809.70
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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.