Finding the Fourth Proportional to 36,797,798.48, 50,781,297.74 and 20,278,515.75
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Solution
The fourth proportional to 36,797,798.48, 50,781,297.74 and 20,278,515.75 is: 27,984,536.80
Step by Step Solution
- Step 1: Write the proportion equation
36,797,798.48 : 50,781,297.74 = 20,278,515.75 : x - Step 2: Convert to fraction form
36,797,798.48/50,781,297.74 = 20,278,515.75/x - Step 3: Cross multiply
36,797,798.48x = 50,781,297.74 × 20,278,515.75 - Step 4: Simplify right side
36,797,798.48x = 1,029,769,345,734,207 - Step 5: Solve for x
x = 1,029,769,345,734,207/36,797,798.48 - Step 6: Final answer
x = 27,984,536.80
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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.