Finding the Fourth Proportional to 8,871,225.20, 13,306,837.80 and 4,840,146.80
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Solution
The fourth proportional to 8,871,225.20, 13,306,837.80 and 4,840,146.80 is: 7,260,220.20
Step by Step Solution
- Step 1: Write the proportion equation
8,871,225.20 : 13,306,837.80 = 4,840,146.80 : x - Step 2: Convert to fraction form
8,871,225.20/13,306,837.80 = 4,840,146.80/x - Step 3: Cross multiply
8,871,225.20x = 13,306,837.80 × 4,840,146.80 - Step 4: Simplify right side
8,871,225.20x = 64,407,048,395,789.04 - Step 5: Solve for x
x = 64,407,048,395,789.04/8,871,225.20 - Step 6: Final answer
x = 7,260,220.20
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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.