Finding the Fourth Proportional to 24,257,049.80, 36,385,574.70 and 12,128,385.20
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Solution
The fourth proportional to 24,257,049.80, 36,385,574.70 and 12,128,385.20 is: 18,192,577.80
Step by Step Solution
- Step 1: Write the proportion equation
24,257,049.80 : 36,385,574.70 = 12,128,385.20 : x - Step 2: Convert to fraction form
24,257,049.80/36,385,574.70 = 12,128,385.20/x - Step 3: Cross multiply
24,257,049.80x = 36,385,574.70 × 12,128,385.20 - Step 4: Simplify right side
24,257,049.80x = 441,298,265,684,974.44 - Step 5: Solve for x
x = 441,298,265,684,974.44/24,257,049.80 - Step 6: Final answer
x = 18,192,577.80
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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.