Finding the Fourth Proportional to 49,915,582.97, 68,883,030.79 and 27,892,875.69
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Solution
The fourth proportional to 49,915,582.97, 68,883,030.79 and 27,892,875.69 is: 38,491,903.75
Step by Step Solution
- Step 1: Write the proportion equation
49,915,582.97 : 68,883,030.79 = 27,892,875.69 : x - Step 2: Convert to fraction form
49,915,582.97/68,883,030.79 = 27,892,875.69/x - Step 3: Cross multiply
49,915,582.97x = 68,883,030.79 × 27,892,875.69 - Step 4: Simplify right side
49,915,582.97x = 1,921,345,814,906,180.25 - Step 5: Solve for x
x = 1,921,345,814,906,180.25/49,915,582.97 - Step 6: Final answer
x = 38,491,903.75
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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.