Finding the Fourth Proportional to 39,807,602.31, 54,913,420.62 and 27,396,147.81
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Solution
The fourth proportional to 39,807,602.31, 54,913,420.62 and 27,396,147.81 is: 37,792,182.92
Step by Step Solution
- Step 1: Write the proportion equation
39,807,602.31 : 54,913,420.62 = 27,396,147.81 : x - Step 2: Convert to fraction form
39,807,602.31/54,913,420.62 = 27,396,147.81/x - Step 3: Cross multiply
39,807,602.31x = 54,913,420.62 × 27,396,147.81 - Step 4: Simplify right side
39,807,602.31x = 1,504,416,188,058,221.75 - Step 5: Solve for x
x = 1,504,416,188,058,221.75/39,807,602.31 - Step 6: Final answer
x = 37,792,182.92
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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.