Finding the Fourth Proportional to 27,565,205.94, 38,042,208.16 and 15,805,568.54
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Solution
The fourth proportional to 27,565,205.94, 38,042,208.16 and 15,805,568.54 is: 21,812,959.78
Step by Step Solution
- Step 1: Write the proportion equation
27,565,205.94 : 38,042,208.16 = 15,805,568.54 : x - Step 2: Convert to fraction form
27,565,205.94/38,042,208.16 = 15,805,568.54/x - Step 3: Cross multiply
27,565,205.94x = 38,042,208.16 × 15,805,568.54 - Step 4: Simplify right side
27,565,205.94x = 601,278,728,485,827.25 - Step 5: Solve for x
x = 601,278,728,485,827.25/27,565,205.94 - Step 6: Final answer
x = 21,812,959.78
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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.