Finding the Fourth Proportional to 48,143,619.47, 66,438,194.87 and 27,517,508.53
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Solution
The fourth proportional to 48,143,619.47, 66,438,194.87 and 27,517,508.53 is: 37,974,161.77
Step by Step Solution
- Step 1: Write the proportion equation
48,143,619.47 : 66,438,194.87 = 27,517,508.53 : x - Step 2: Convert to fraction form
48,143,619.47/66,438,194.87 = 27,517,508.53/x - Step 3: Cross multiply
48,143,619.47x = 66,438,194.87 × 27,517,508.53 - Step 4: Simplify right side
48,143,619.47x = 1,828,213,594,053,027.25 - Step 5: Solve for x
x = 1,828,213,594,053,027.25/48,143,619.47 - Step 6: Final answer
x = 37,974,161.77
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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.