Finding the Fourth Proportional to 7,422,766.29, 11,135,892.56 and 2,304,931.95
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Solution
The fourth proportional to 7,422,766.29, 11,135,892.56 and 2,304,931.95 is: 3,457,939.20
Step by Step Solution
- Step 1: Write the proportion equation
7,422,766.29 : 11,135,892.56 = 2,304,931.95 : x - Step 2: Convert to fraction form
7,422,766.29/11,135,892.56 = 2,304,931.95/x - Step 3: Cross multiply
7,422,766.29x = 11,135,892.56 × 2,304,931.95 - Step 4: Simplify right side
7,422,766.29x = 25,667,474,541,786.63 - Step 5: Solve for x
x = 25,667,474,541,786.63/7,422,766.29 - Step 6: Final answer
x = 3,457,939.20
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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.