Finding the Fourth Proportional to 36,962,917.12, 50,988,347.04 and 21,491,291.68
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Solution
The fourth proportional to 36,962,917.12, 50,988,347.04 and 21,491,291.68 is: 29,646,075.69
Step by Step Solution
- Step 1: Write the proportion equation
36,962,917.12 : 50,988,347.04 = 21,491,291.68 : x - Step 2: Convert to fraction form
36,962,917.12/50,988,347.04 = 21,491,291.68/x - Step 3: Cross multiply
36,962,917.12x = 50,988,347.04 × 21,491,291.68 - Step 4: Simplify right side
36,962,917.12x = 1,095,805,438,517,704.62 - Step 5: Solve for x
x = 1,095,805,438,517,704.62/36,962,917.12 - Step 6: Final answer
x = 29,646,075.69
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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.