Finding the Fourth Proportional to 21,727,585.80, 32,591,378.70 and 9,783,649.80
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Solution
The fourth proportional to 21,727,585.80, 32,591,378.70 and 9,783,649.80 is: 14,675,474.70
Step by Step Solution
- Step 1: Write the proportion equation
21,727,585.80 : 32,591,378.70 = 9,783,649.80 : x - Step 2: Convert to fraction form
21,727,585.80/32,591,378.70 = 9,783,649.80/x - Step 3: Cross multiply
21,727,585.80x = 32,591,378.70 × 9,783,649.80 - Step 4: Simplify right side
21,727,585.80x = 318,862,635,699,979.25 - Step 5: Solve for x
x = 318,862,635,699,979.25/21,727,585.80 - Step 6: Final answer
x = 14,675,474.70
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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.