Finding the Fourth Proportional to 42,018,936.48, 57,990,590.16 and 24,629,891.68
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Solution
The fourth proportional to 42,018,936.48, 57,990,590.16 and 24,629,891.68 is: 33,991,863.52
Step by Step Solution
- Step 1: Write the proportion equation
42,018,936.48 : 57,990,590.16 = 24,629,891.68 : x - Step 2: Convert to fraction form
42,018,936.48/57,990,590.16 = 24,629,891.68/x - Step 3: Cross multiply
42,018,936.48x = 57,990,590.16 × 24,629,891.68 - Step 4: Simplify right side
42,018,936.48x = 1,428,301,954,100,073.75 - Step 5: Solve for x
x = 1,428,301,954,100,073.75/42,018,936.48 - Step 6: Final answer
x = 33,991,863.52
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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.