Finding the Fourth Proportional to 51,458,430.12, 77,198,842.62 and 15,555,705
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Solution
The fourth proportional to 51,458,430.12, 77,198,842.62 and 15,555,705 is: 23,336,942.45
Step by Step Solution
- Step 1: Write the proportion equation
51,458,430.12 : 77,198,842.62 = 15,555,705 : x - Step 2: Convert to fraction form
51,458,430.12/77,198,842.62 = 15,555,705/x - Step 3: Cross multiply
51,458,430.12x = 77,198,842.62 × 15,555,705 - Step 4: Simplify right side
51,458,430.12x = 1,200,882,422,138,147.25 - Step 5: Solve for x
x = 1,200,882,422,138,147.25/51,458,430.12 - Step 6: Final answer
x = 23,336,942.45
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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.