Finding the Fourth Proportional to 52,003,125.09, 71,766,568.49 and 28,798,252.06
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Solution
The fourth proportional to 52,003,125.09, 71,766,568.49 and 28,798,252.06 is: 39,742,837.09
Step by Step Solution
- Step 1: Write the proportion equation
52,003,125.09 : 71,766,568.49 = 28,798,252.06 : x - Step 2: Convert to fraction form
52,003,125.09/71,766,568.49 = 28,798,252.06/x - Step 3: Cross multiply
52,003,125.09x = 71,766,568.49 × 28,798,252.06 - Step 4: Simplify right side
52,003,125.09x = 2,066,751,728,532,866 - Step 5: Solve for x
x = 2,066,751,728,532,866/52,003,125.09 - Step 6: Final answer
x = 39,742,837.09
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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.