Finding the Fourth Proportional to 6,936,777.96, 9,572,923.62 and 3,881,190.12
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Solution
The fourth proportional to 6,936,777.96, 9,572,923.62 and 3,881,190.12 is: 5,356,137.50
Step by Step Solution
- Step 1: Write the proportion equation
6,936,777.96 : 9,572,923.62 = 3,881,190.12 : x - Step 2: Convert to fraction form
6,936,777.96/9,572,923.62 = 3,881,190.12/x - Step 3: Cross multiply
6,936,777.96x = 9,572,923.62 × 3,881,190.12 - Step 4: Simplify right side
6,936,777.96x = 37,154,336,573,458.63 - Step 5: Solve for x
x = 37,154,336,573,458.63/6,936,777.96 - Step 6: Final answer
x = 5,356,137.50
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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.