Finding the Fourth Proportional to 11,115,484.45, 15,339,368.55 and 6,028,252.45
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Solution
The fourth proportional to 11,115,484.45, 15,339,368.55 and 6,028,252.45 is: 8,318,988.39
Step by Step Solution
- Step 1: Write the proportion equation
11,115,484.45 : 15,339,368.55 = 6,028,252.45 : x - Step 2: Convert to fraction form
11,115,484.45/15,339,368.55 = 6,028,252.45/x - Step 3: Cross multiply
11,115,484.45x = 15,339,368.55 × 6,028,252.45 - Step 4: Simplify right side
11,115,484.45x = 92,469,586,062,665.53 - Step 5: Solve for x
x = 92,469,586,062,665.53/11,115,484.45 - Step 6: Final answer
x = 8,318,988.39
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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.