Finding the Fourth Proportional to 10,794,830.85, 14,887,219.91 and 8,956,377.09
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Solution
The fourth proportional to 10,794,830.85, 14,887,219.91 and 8,956,377.09 is: 12,351,796.63
Step by Step Solution
- Step 1: Write the proportion equation
10,794,830.85 : 14,887,219.91 = 8,956,377.09 : x - Step 2: Convert to fraction form
10,794,830.85/14,887,219.91 = 8,956,377.09/x - Step 3: Cross multiply
10,794,830.85x = 14,887,219.91 × 8,956,377.09 - Step 4: Simplify right side
10,794,830.85x = 133,335,555,290,933.97 - Step 5: Solve for x
x = 133,335,555,290,933.97/10,794,830.85 - Step 6: Final answer
x = 12,351,796.63
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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.