Finding the Fourth Proportional to 51,517,772.74, 77,279,306.19 and 13,179,619.54
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Solution
The fourth proportional to 51,517,772.74, 77,279,306.19 and 13,179,619.54 is: 19,770,106.50
Step by Step Solution
- Step 1: Write the proportion equation
51,517,772.74 : 77,279,306.19 = 13,179,619.54 : x - Step 2: Convert to fraction form
51,517,772.74/77,279,306.19 = 13,179,619.54/x - Step 3: Cross multiply
51,517,772.74x = 77,279,306.19 × 13,179,619.54 - Step 4: Simplify right side
51,517,772.74x = 1,018,511,853,899,366.88 - Step 5: Solve for x
x = 1,018,511,853,899,366.88/51,517,772.74 - Step 6: Final answer
x = 19,770,106.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.