Finding the Fourth Proportional to 43,489,520.60, 65,234,299.37 and 12,784,102.10
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Solution
The fourth proportional to 43,489,520.60, 65,234,299.37 and 12,784,102.10 is: 19,176,158.59
Step by Step Solution
- Step 1: Write the proportion equation
43,489,520.60 : 65,234,299.37 = 12,784,102.10 : x - Step 2: Convert to fraction form
43,489,520.60/65,234,299.37 = 12,784,102.10/x - Step 3: Cross multiply
43,489,520.60x = 65,234,299.37 × 12,784,102.10 - Step 4: Simplify right side
43,489,520.60x = 833,961,943,861,435.75 - Step 5: Solve for x
x = 833,961,943,861,435.75/43,489,520.60 - Step 6: Final answer
x = 19,176,158.59
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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.