Finding the Fourth Proportional to 15,517,489.73, 21,413,293.85 and 8,546,810.63
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Solution
The fourth proportional to 15,517,489.73, 21,413,293.85 and 8,546,810.63 is: 11,794,134.92
Step by Step Solution
- Step 1: Write the proportion equation
15,517,489.73 : 21,413,293.85 = 8,546,810.63 : x - Step 2: Convert to fraction form
15,517,489.73/21,413,293.85 = 8,546,810.63/x - Step 3: Cross multiply
15,517,489.73x = 21,413,293.85 × 8,546,810.63 - Step 4: Simplify right side
15,517,489.73x = 183,015,367,414,794.19 - Step 5: Solve for x
x = 183,015,367,414,794.19/15,517,489.73 - Step 6: Final answer
x = 11,794,134.92
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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.