Finding the Fourth Proportional to 6,973,944.48, 9,624,289.68 and 3,918,097.44
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Solution
The fourth proportional to 6,973,944.48, 9,624,289.68 and 3,918,097.44 is: 5,407,112.84
Step by Step Solution
- Step 1: Write the proportion equation
6,973,944.48 : 9,624,289.68 = 3,918,097.44 : x - Step 2: Convert to fraction form
6,973,944.48/9,624,289.68 = 3,918,097.44/x - Step 3: Cross multiply
6,973,944.48x = 9,624,289.68 × 3,918,097.44 - Step 4: Simplify right side
6,973,944.48x = 37,708,904,757,026.41 - Step 5: Solve for x
x = 37,708,904,757,026.41/6,973,944.48 - Step 6: Final answer
x = 5,407,112.84
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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.