Finding the Fourth Proportional to 7,791,163.11, 10,751,859.15 and 4,353,549.03
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Solution
The fourth proportional to 7,791,163.11, 10,751,859.15 and 4,353,549.03 is: 6,007,927.87
Step by Step Solution
- Step 1: Write the proportion equation
7,791,163.11 : 10,751,859.15 = 4,353,549.03 : x - Step 2: Convert to fraction form
7,791,163.11/10,751,859.15 = 4,353,549.03/x - Step 3: Cross multiply
7,791,163.11x = 10,751,859.15 × 4,353,549.03 - Step 4: Simplify right side
7,791,163.11x = 46,808,745,973,179.13 - Step 5: Solve for x
x = 46,808,745,973,179.13/7,791,163.11 - Step 6: Final answer
x = 6,007,927.87
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.