Finding the Fourth Proportional to 10,239,361.58, 14,130,318.44 and 5,529,756.68
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Solution
The fourth proportional to 10,239,361.58, 14,130,318.44 and 5,529,756.68 is: 7,631,063.92
Step by Step Solution
- Step 1: Write the proportion equation
10,239,361.58 : 14,130,318.44 = 5,529,756.68 : x - Step 2: Convert to fraction form
10,239,361.58/14,130,318.44 = 5,529,756.68/x - Step 3: Cross multiply
10,239,361.58x = 14,130,318.44 × 5,529,756.68 - Step 4: Simplify right side
10,239,361.58x = 78,137,222,717,207.11 - Step 5: Solve for x
x = 78,137,222,717,207.11/10,239,361.58 - Step 6: Final answer
x = 7,631,063.92
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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.