Finding the Fourth Proportional to 37,098,940.91, 51,197,360.43 and 20,578,528.80
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Solution
The fourth proportional to 37,098,940.91, 51,197,360.43 and 20,578,528.80 is: 28,398,825.69
Step by Step Solution
- Step 1: Write the proportion equation
37,098,940.91 : 51,197,360.43 = 20,578,528.80 : x - Step 2: Convert to fraction form
37,098,940.91/51,197,360.43 = 20,578,528.80/x - Step 3: Cross multiply
37,098,940.91x = 51,197,360.43 × 20,578,528.80 - Step 4: Simplify right side
37,098,940.91x = 1,053,566,356,092,735.38 - Step 5: Solve for x
x = 1,053,566,356,092,735.38/37,098,940.91 - Step 6: Final answer
x = 28,398,825.69
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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.