Finding the Fourth Proportional to 11,590,772.30, 17,379,246.45 and 7,106,266.70
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Solution
The fourth proportional to 11,590,772.30, 17,379,246.45 and 7,106,266.70 is: 10,655,162.32
Step by Step Solution
- Step 1: Write the proportion equation
11,590,772.30 : 17,379,246.45 = 7,106,266.70 : x - Step 2: Convert to fraction form
11,590,772.30/17,379,246.45 = 7,106,266.70/x - Step 3: Cross multiply
11,590,772.30x = 17,379,246.45 × 7,106,266.70 - Step 4: Simplify right side
11,590,772.30x = 123,501,560,318,728.22 - Step 5: Solve for x
x = 123,501,560,318,728.22/11,590,772.30 - Step 6: Final answer
x = 10,655,162.32
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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.