Finding the Fourth Proportional to 11,081,385.97, 15,293,723.30 and 6,434,245.87
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Solution
The fourth proportional to 11,081,385.97, 15,293,723.30 and 6,434,245.87 is: 8,880,078.38
Step by Step Solution
- Step 1: Write the proportion equation
11,081,385.97 : 15,293,723.30 = 6,434,245.87 : x - Step 2: Convert to fraction form
11,081,385.97/15,293,723.30 = 6,434,245.87/x - Step 3: Cross multiply
11,081,385.97x = 15,293,723.30 × 6,434,245.87 - Step 4: Simplify right side
11,081,385.97x = 98,403,575,933,670.66 - Step 5: Solve for x
x = 98,403,575,933,670.66/11,081,385.97 - Step 6: Final answer
x = 8,880,078.38
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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.