Finding the Fourth Proportional to 51,458,431.12, 77,198,844.12 and 15,555,706
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Solution
The fourth proportional to 51,458,431.12, 77,198,844.12 and 15,555,706 is: 23,336,943.95
Step by Step Solution
- Step 1: Write the proportion equation
51,458,431.12 : 77,198,844.12 = 15,555,706 : x - Step 2: Convert to fraction form
51,458,431.12/77,198,844.12 = 15,555,706/x - Step 3: Cross multiply
51,458,431.12x = 77,198,844.12 × 15,555,706 - Step 4: Simplify right side
51,458,431.12x = 1,200,882,522,670,548.75 - Step 5: Solve for x
x = 1,200,882,522,670,548.75/51,458,431.12 - Step 6: Final answer
x = 23,336,943.95
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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.