Finding the Fourth Proportional to 20,167,382.49, 27,833,340.74 and 11,466,858.75
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Solution
The fourth proportional to 20,167,382.49, 27,833,340.74 and 11,466,858.75 is: 15,825,602.90
Step by Step Solution
- Step 1: Write the proportion equation
20,167,382.49 : 27,833,340.74 = 11,466,858.75 : x - Step 2: Convert to fraction form
20,167,382.49/27,833,340.74 = 11,466,858.75/x - Step 3: Cross multiply
20,167,382.49x = 27,833,340.74 × 11,466,858.75 - Step 4: Simplify right side
20,167,382.49x = 319,160,986,748,866.19 - Step 5: Solve for x
x = 319,160,986,748,866.19/20,167,382.49 - Step 6: Final answer
x = 15,825,602.90
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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.