Finding the Fourth Proportional to 14,434,893.36, 19,922,719.50 and 8,634,313.26
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Solution
The fourth proportional to 14,434,893.36, 19,922,719.50 and 8,634,313.26 is: 11,916,887.56
Step by Step Solution
- Step 1: Write the proportion equation
14,434,893.36 : 19,922,719.50 = 8,634,313.26 : x - Step 2: Convert to fraction form
14,434,893.36/19,922,719.50 = 8,634,313.26/x - Step 3: Cross multiply
14,434,893.36x = 19,922,719.50 × 8,634,313.26 - Step 4: Simplify right side
14,434,893.36x = 172,019,001,154,110.56 - Step 5: Solve for x
x = 172,019,001,154,110.56/14,434,893.36 - Step 6: Final answer
x = 11,916,887.56
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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.