Finding the Fourth Proportional to 11,850,842.70, 17,765,620.65 and 4,667,276.70
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Solution
The fourth proportional to 11,850,842.70, 17,765,620.65 and 4,667,276.70 is: 6,996,723.31
Step by Step Solution
- Step 1: Write the proportion equation
11,850,842.70 : 17,765,620.65 = 4,667,276.70 : x - Step 2: Convert to fraction form
11,850,842.70/17,765,620.65 = 4,667,276.70/x - Step 3: Cross multiply
11,850,842.70x = 17,765,620.65 × 4,667,276.70 - Step 4: Simplify right side
11,850,842.70x = 82,917,067,320,783.84 - Step 5: Solve for x
x = 82,917,067,320,783.84/11,850,842.70 - Step 6: Final answer
x = 6,996,723.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.