Finding the Fourth Proportional to 36,288,549.40, 54,437,489.70 and 18,102,040.60
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Solution
The fourth proportional to 36,288,549.40, 54,437,489.70 and 18,102,040.60 is: 27,155,388.27
Step by Step Solution
- Step 1: Write the proportion equation
36,288,549.40 : 54,437,489.70 = 18,102,040.60 : x - Step 2: Convert to fraction form
36,288,549.40/54,437,489.70 = 18,102,040.60/x - Step 3: Cross multiply
36,288,549.40x = 54,437,489.70 × 18,102,040.60 - Step 4: Simplify right side
36,288,549.40x = 985,429,648,711,482 - Step 5: Solve for x
x = 985,429,648,711,482/36,288,549.40 - Step 6: Final answer
x = 27,155,388.27
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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.