Finding the Fourth Proportional to 27,312,884.43, 37,691,334.63 and 14,922,711.21
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Solution
The fourth proportional to 27,312,884.43, 37,691,334.63 and 14,922,711.21 is: 20,593,097.86
Step by Step Solution
- Step 1: Write the proportion equation
27,312,884.43 : 37,691,334.63 = 14,922,711.21 : x - Step 2: Convert to fraction form
27,312,884.43/37,691,334.63 = 14,922,711.21/x - Step 3: Cross multiply
27,312,884.43x = 37,691,334.63 × 14,922,711.21 - Step 4: Simplify right side
27,312,884.43x = 562,456,901,802,962.25 - Step 5: Solve for x
x = 562,456,901,802,962.25/27,312,884.43 - Step 6: Final answer
x = 20,593,097.86
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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.