Finding the Fourth Proportional to 27,456,653.13, 37,890,185.99 and 15,233,480.97
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Solution
The fourth proportional to 27,456,653.13, 37,890,185.99 and 15,233,480.97 is: 21,022,206.33
Step by Step Solution
- Step 1: Write the proportion equation
27,456,653.13 : 37,890,185.99 = 15,233,480.97 : x - Step 2: Convert to fraction form
27,456,653.13/37,890,185.99 = 15,233,480.97/x - Step 3: Cross multiply
27,456,653.13x = 37,890,185.99 × 15,233,480.97 - Step 4: Simplify right side
27,456,653.13x = 577,199,427,152,258.25 - Step 5: Solve for x
x = 577,199,427,152,258.25/27,456,653.13 - Step 6: Final answer
x = 21,022,206.33
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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.