Finding the Fourth Proportional to 11,613,655.41, 16,027,742.21 and 6,967,615.29
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Solution
The fourth proportional to 11,613,655.41, 16,027,742.21 and 6,967,615.29 is: 9,615,847.70
Step by Step Solution
- Step 1: Write the proportion equation
11,613,655.41 : 16,027,742.21 = 6,967,615.29 : x - Step 2: Convert to fraction form
11,613,655.41/16,027,742.21 = 6,967,615.29/x - Step 3: Cross multiply
11,613,655.41x = 16,027,742.21 × 6,967,615.29 - Step 4: Simplify right side
11,613,655.41x = 111,675,141,651,736.31 - Step 5: Solve for x
x = 111,675,141,651,736.31/11,613,655.41 - Step 6: Final answer
x = 9,615,847.70
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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.