Finding the Fourth Proportional to 48,469,101.68, 66,887,038.84 and 27,561,135.85
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Solution
The fourth proportional to 48,469,101.68, 66,887,038.84 and 27,561,135.85 is: 38,034,184.67
Step by Step Solution
- Step 1: Write the proportion equation
48,469,101.68 : 66,887,038.84 = 27,561,135.85 : x - Step 2: Convert to fraction form
48,469,101.68/66,887,038.84 = 27,561,135.85/x - Step 3: Cross multiply
48,469,101.68x = 66,887,038.84 × 27,561,135.85 - Step 4: Simplify right side
48,469,101.68x = 1,843,482,764,073,466.50 - Step 5: Solve for x
x = 1,843,482,764,073,466.50/48,469,101.68 - Step 6: Final answer
x = 38,034,184.67
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.