Finding the Fourth Proportional to 48,143,620.11, 66,438,195.76 and 27,517,509.17
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Solution
The fourth proportional to 48,143,620.11, 66,438,195.76 and 27,517,509.17 is: 37,974,162.66
Step by Step Solution
- Step 1: Write the proportion equation
48,143,620.11 : 66,438,195.76 = 27,517,509.17 : x - Step 2: Convert to fraction form
48,143,620.11/66,438,195.76 = 27,517,509.17/x - Step 3: Cross multiply
48,143,620.11x = 66,438,195.76 × 27,517,509.17 - Step 4: Simplify right side
48,143,620.11x = 1,828,213,661,015,404 - Step 5: Solve for x
x = 1,828,213,661,015,404/48,143,620.11 - Step 6: Final answer
x = 37,974,162.66
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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.