Finding the Fourth Proportional to 11,493,866.14, 15,848,649.16 and 9,394,192.85
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Solution
The fourth proportional to 11,493,866.14, 15,848,649.16 and 9,394,192.85 is: 12,953,454.02
Step by Step Solution
- Step 1: Write the proportion equation
11,493,866.14 : 15,848,649.16 = 9,394,192.85 : x - Step 2: Convert to fraction form
11,493,866.14/15,848,649.16 = 9,394,192.85/x - Step 3: Cross multiply
11,493,866.14x = 15,848,649.16 × 9,394,192.85 - Step 4: Simplify right side
11,493,866.14x = 148,885,266,518,301.78 - Step 5: Solve for x
x = 148,885,266,518,301.78/11,493,866.14 - Step 6: Final answer
x = 12,953,454.02
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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.