Finding the Fourth Proportional to 27,312,889.93, 37,691,342.22 and 14,922,716.71
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Solution
The fourth proportional to 27,312,889.93, 37,691,342.22 and 14,922,716.71 is: 20,593,105.45
Step by Step Solution
- Step 1: Write the proportion equation
27,312,889.93 : 37,691,342.22 = 14,922,716.71 : x - Step 2: Convert to fraction form
27,312,889.93/37,691,342.22 = 14,922,716.71/x - Step 3: Cross multiply
27,312,889.93x = 37,691,342.22 × 14,922,716.71 - Step 4: Simplify right side
27,312,889.93x = 562,457,222,368,722.50 - Step 5: Solve for x
x = 562,457,222,368,722.50/27,312,889.93 - Step 6: Final answer
x = 20,593,105.45
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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.