Finding the Fourth Proportional to 7,736,076.99, 11,588,170.43 and 4,531,487.76
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Solution
The fourth proportional to 7,736,076.99, 11,588,170.43 and 4,531,487.76 is: 6,787,891.66
Step by Step Solution
- Step 1: Write the proportion equation
7,736,076.99 : 11,588,170.43 = 4,531,487.76 : x - Step 2: Convert to fraction form
7,736,076.99/11,588,170.43 = 4,531,487.76/x - Step 3: Cross multiply
7,736,076.99x = 11,588,170.43 × 4,531,487.76 - Step 4: Simplify right side
7,736,076.99x = 52,511,652,475,667.65 - Step 5: Solve for x
x = 52,511,652,475,667.65/7,736,076.99 - Step 6: Final answer
x = 6,787,891.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.