Finding the Fourth Proportional to 37,941,231.75, 52,365,992.99 and 21,643,707.75
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Solution
The fourth proportional to 37,941,231.75, 52,365,992.99 and 21,643,707.75 is: 29,872,363.02
Step by Step Solution
- Step 1: Write the proportion equation
37,941,231.75 : 52,365,992.99 = 21,643,707.75 : x - Step 2: Convert to fraction form
37,941,231.75/52,365,992.99 = 21,643,707.75/x - Step 3: Cross multiply
37,941,231.75x = 52,365,992.99 × 21,643,707.75 - Step 4: Simplify right side
37,941,231.75x = 1,133,394,248,205,890 - Step 5: Solve for x
x = 1,133,394,248,205,890/37,941,231.75 - Step 6: Final answer
x = 29,872,363.02
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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.