Finding the Fourth Proportional to 27,312,881.43, 37,691,330.49 and 14,922,708.21
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Solution
The fourth proportional to 27,312,881.43, 37,691,330.49 and 14,922,708.21 is: 20,593,093.72
Step by Step Solution
- Step 1: Write the proportion equation
27,312,881.43 : 37,691,330.49 = 14,922,708.21 : x - Step 2: Convert to fraction form
27,312,881.43/37,691,330.49 = 14,922,708.21/x - Step 3: Cross multiply
27,312,881.43x = 37,691,330.49 × 14,922,708.21 - Step 4: Simplify right side
27,312,881.43x = 562,456,726,948,946.38 - Step 5: Solve for x
x = 562,456,726,948,946.38/27,312,881.43 - Step 6: Final answer
x = 20,593,093.72
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1.5x scale
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.