Finding the Fourth Proportional to 36,646,488.33, 50,576,640.60 and 21,176,572.97
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Solution
The fourth proportional to 36,646,488.33, 50,576,640.60 and 21,176,572.97 is: 29,226,263.39
Step by Step Solution
- Step 1: Write the proportion equation
36,646,488.33 : 50,576,640.60 = 21,176,572.97 : x - Step 2: Convert to fraction form
36,646,488.33/50,576,640.60 = 21,176,572.97/x - Step 3: Cross multiply
36,646,488.33x = 50,576,640.60 × 21,176,572.97 - Step 4: Simplify right side
36,646,488.33x = 1,071,039,919,990,481.38 - Step 5: Solve for x
x = 1,071,039,919,990,481.38/36,646,488.33 - Step 6: Final answer
x = 29,226,263.39
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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.