Finding the Fourth Proportional to 18,288,086.80, 27,432,130.20 and 16,608,470.80
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Solution
The fourth proportional to 18,288,086.80, 27,432,130.20 and 16,608,470.80 is: 24,912,706.20
Step by Step Solution
- Step 1: Write the proportion equation
18,288,086.80 : 27,432,130.20 = 16,608,470.80 : x - Step 2: Convert to fraction form
18,288,086.80/27,432,130.20 = 16,608,470.80/x - Step 3: Cross multiply
18,288,086.80x = 27,432,130.20 × 16,608,470.80 - Step 4: Simplify right side
18,288,086.80x = 455,605,733,408,498.19 - Step 5: Solve for x
x = 455,605,733,408,498.19/18,288,086.80 - Step 6: Final answer
x = 24,912,706.20
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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.