Finding the Fourth Proportional to 9,769,351.20, 14,651,402.40 and 3,381,561.60
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Solution
The fourth proportional to 9,769,351.20, 14,651,402.40 and 3,381,561.60 is: 5,071,433.99
Step by Step Solution
- Step 1: Write the proportion equation
9,769,351.20 : 14,651,402.40 = 3,381,561.60 : x - Step 2: Convert to fraction form
9,769,351.20/14,651,402.40 = 3,381,561.60/x - Step 3: Cross multiply
9,769,351.20x = 14,651,402.40 × 3,381,561.60 - Step 4: Simplify right side
9,769,351.20x = 49,544,619,741,987.84 - Step 5: Solve for x
x = 49,544,619,741,987.84/9,769,351.20 - Step 6: Final answer
x = 5,071,433.99
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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.