Finding the Fourth Proportional to 16,486,574.60, 24,729,861.90 and 7,983,518.60
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Solution
The fourth proportional to 16,486,574.60, 24,729,861.90 and 7,983,518.60 is: 11,975,277.90
Step by Step Solution
- Step 1: Write the proportion equation
16,486,574.60 : 24,729,861.90 = 7,983,518.60 : x - Step 2: Convert to fraction form
16,486,574.60/24,729,861.90 = 7,983,518.60/x - Step 3: Cross multiply
16,486,574.60x = 24,729,861.90 × 7,983,518.60 - Step 4: Simplify right side
16,486,574.60x = 197,431,312,454,081.31 - Step 5: Solve for x
x = 197,431,312,454,081.31/16,486,574.60 - Step 6: Final answer
x = 11,975,277.90
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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.