Finding the Fourth Proportional to 11,343,536.96, 15,657,318.24 and 6,451,396.16
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Solution
The fourth proportional to 11,343,536.96, 15,657,318.24 and 6,451,396.16 is: 8,904,767.81
Step by Step Solution
- Step 1: Write the proportion equation
11,343,536.96 : 15,657,318.24 = 6,451,396.16 : x - Step 2: Convert to fraction form
11,343,536.96/15,657,318.24 = 6,451,396.16/x - Step 3: Cross multiply
11,343,536.96x = 15,657,318.24 × 6,451,396.16 - Step 4: Simplify right side
11,343,536.96x = 101,011,562,769,433.97 - Step 5: Solve for x
x = 101,011,562,769,433.97/11,343,536.96 - Step 6: Final answer
x = 8,904,767.81
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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.