Finding the Fourth Proportional to 36,173,387.80, 54,260,081.70 and 12,238,859.80
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Solution
The fourth proportional to 36,173,387.80, 54,260,081.70 and 12,238,859.80 is: 18,358,289.70
Step by Step Solution
- Step 1: Write the proportion equation
36,173,387.80 : 54,260,081.70 = 12,238,859.80 : x - Step 2: Convert to fraction form
36,173,387.80/54,260,081.70 = 12,238,859.80/x - Step 3: Cross multiply
36,173,387.80x = 54,260,081.70 × 12,238,859.80 - Step 4: Simplify right side
36,173,387.80x = 664,081,532,662,845.75 - Step 5: Solve for x
x = 664,081,532,662,845.75/36,173,387.80 - Step 6: Final answer
x = 18,358,289.70
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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.