Finding the Fourth Proportional to 33,170,939.20, 49,778,527.20 and 18,793,979.20
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Solution
The fourth proportional to 33,170,939.20, 49,778,527.20 and 18,793,979.20 is: 28,203,500.64
Step by Step Solution
- Step 1: Write the proportion equation
33,170,939.20 : 49,778,527.20 = 18,793,979.20 : x - Step 2: Convert to fraction form
33,170,939.20/49,778,527.20 = 18,793,979.20/x - Step 3: Cross multiply
33,170,939.20x = 49,778,527.20 × 18,793,979.20 - Step 4: Simplify right side
33,170,939.20x = 935,536,604,803,434.25 - Step 5: Solve for x
x = 935,536,604,803,434.25/33,170,939.20 - Step 6: Final answer
x = 28,203,500.64
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.