Finding the Fourth Proportional to 11,570,518.97, 15,967,227.70 and 6,343,464.58
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Solution
The fourth proportional to 11,570,518.97, 15,967,227.70 and 6,343,464.58 is: 8,753,932.62
Step by Step Solution
- Step 1: Write the proportion equation
11,570,518.97 : 15,967,227.70 = 6,343,464.58 : x - Step 2: Convert to fraction form
11,570,518.97/15,967,227.70 = 6,343,464.58/x - Step 3: Cross multiply
11,570,518.97x = 15,967,227.70 × 6,343,464.58 - Step 4: Simplify right side
11,570,518.97x = 101,287,543,385,077.83 - Step 5: Solve for x
x = 101,287,543,385,077.83/11,570,518.97 - Step 6: Final answer
x = 8,753,932.62
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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.