Finding the Fourth Proportional to 31,969,194.71, 44,120,907.63 and 19,587,505.14
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Solution
The fourth proportional to 31,969,194.71, 44,120,907.63 and 19,587,505.14 is: 27,032,851.87
Step by Step Solution
- Step 1: Write the proportion equation
31,969,194.71 : 44,120,907.63 = 19,587,505.14 : x - Step 2: Convert to fraction form
31,969,194.71/44,120,907.63 = 19,587,505.14/x - Step 3: Cross multiply
31,969,194.71x = 44,120,907.63 × 19,587,505.14 - Step 4: Simplify right side
31,969,194.71x = 864,218,504,984,090.25 - Step 5: Solve for x
x = 864,218,504,984,090.25/31,969,194.71 - Step 6: Final answer
x = 27,032,851.87
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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.