Finding the Fourth Proportional to 7,247,814.12, 10,871,723.34 and 2,130,244.92
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Solution
The fourth proportional to 7,247,814.12, 10,871,723.34 and 2,130,244.92 is: 3,195,368.01
Step by Step Solution
- Step 1: Write the proportion equation
7,247,814.12 : 10,871,723.34 = 2,130,244.92 : x - Step 2: Convert to fraction form
7,247,814.12/10,871,723.34 = 2,130,244.92/x - Step 3: Cross multiply
7,247,814.12x = 10,871,723.34 × 2,130,244.92 - Step 4: Simplify right side
7,247,814.12x = 23,159,433,416,680.43 - Step 5: Solve for x
x = 23,159,433,416,680.43/7,247,814.12 - Step 6: Final answer
x = 3,195,368.01
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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.