Finding the Fourth Proportional to 24,257,027.80, 36,385,541.70 and 12,128,363.20
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Solution
The fourth proportional to 24,257,027.80, 36,385,541.70 and 12,128,363.20 is: 18,192,544.80
Step by Step Solution
- Step 1: Write the proportion equation
24,257,027.80 : 36,385,541.70 = 12,128,363.20 : x - Step 2: Convert to fraction form
24,257,027.80/36,385,541.70 = 12,128,363.20/x - Step 3: Cross multiply
24,257,027.80x = 36,385,541.70 × 12,128,363.20 - Step 4: Simplify right side
24,257,027.80x = 441,297,064,966,345.44 - Step 5: Solve for x
x = 441,297,064,966,345.44/24,257,027.80 - Step 6: Final answer
x = 18,192,544.80
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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.