Finding the Fourth Proportional to 11,850,453.24, 16,353,646.14 and 6,417,945.24
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Solution
The fourth proportional to 11,850,453.24, 16,353,646.14 and 6,417,945.24 is: 8,856,775.62
Step by Step Solution
- Step 1: Write the proportion equation
11,850,453.24 : 16,353,646.14 = 6,417,945.24 : x - Step 2: Convert to fraction form
11,850,453.24/16,353,646.14 = 6,417,945.24/x - Step 3: Cross multiply
11,850,453.24x = 16,353,646.14 × 6,417,945.24 - Step 4: Simplify right side
11,850,453.24x = 104,956,805,400,857.38 - Step 5: Solve for x
x = 104,956,805,400,857.38/11,850,453.24 - Step 6: Final answer
x = 8,856,775.62
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Double scale
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1.5x scale
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.