Finding the Fourth Proportional to 18,085,976.80, 24,958,931.12 and 9,826,202.68
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Solution
The fourth proportional to 18,085,976.80, 24,958,931.12 and 9,826,202.68 is: 13,560,313.53
Step by Step Solution
- Step 1: Write the proportion equation
18,085,976.80 : 24,958,931.12 = 9,826,202.68 : x - Step 2: Convert to fraction form
18,085,976.80/24,958,931.12 = 9,826,202.68/x - Step 3: Cross multiply
18,085,976.80x = 24,958,931.12 × 9,826,202.68 - Step 4: Simplify right side
18,085,976.80x = 245,251,515,861,279.41 - Step 5: Solve for x
x = 245,251,515,861,279.41/18,085,976.80 - Step 6: Final answer
x = 13,560,313.53
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1.5x scale
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.