Finding the Fourth Proportional to 11,695,840.34, 16,135,370.13 and 9,113,037.14
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Solution
The fourth proportional to 11,695,840.34, 16,135,370.13 and 9,113,037.14 is: 12,572,181.48
Step by Step Solution
- Step 1: Write the proportion equation
11,695,840.34 : 16,135,370.13 = 9,113,037.14 : x - Step 2: Convert to fraction form
11,695,840.34/16,135,370.13 = 9,113,037.14/x - Step 3: Cross multiply
11,695,840.34x = 16,135,370.13 × 9,113,037.14 - Step 4: Simplify right side
11,695,840.34x = 147,042,227,262,336.66 - Step 5: Solve for x
x = 147,042,227,262,336.66/11,695,840.34 - Step 6: Final answer
x = 12,572,181.48
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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.