Finding the Fourth Proportional to 11,022,186.66, 15,212,497.24 and 6,378,798.78
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Solution
The fourth proportional to 11,022,186.66, 15,212,497.24 and 6,378,798.78 is: 8,803,830.11
Step by Step Solution
- Step 1: Write the proportion equation
11,022,186.66 : 15,212,497.24 = 6,378,798.78 : x - Step 2: Convert to fraction form
11,022,186.66/15,212,497.24 = 6,378,798.78/x - Step 3: Cross multiply
11,022,186.66x = 15,212,497.24 × 6,378,798.78 - Step 4: Simplify right side
11,022,186.66x = 97,037,458,835,265.38 - Step 5: Solve for x
x = 97,037,458,835,265.38/11,022,186.66 - Step 6: Final answer
x = 8,803,830.11
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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.