Finding the Fourth Proportional to 8,312,279.44, 11,464,633.16 and 7,152,668.96
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Solution
The fourth proportional to 8,312,279.44, 11,464,633.16 and 7,152,668.96 is: 9,865,251.32
Step by Step Solution
- Step 1: Write the proportion equation
8,312,279.44 : 11,464,633.16 = 7,152,668.96 : x - Step 2: Convert to fraction form
8,312,279.44/11,464,633.16 = 7,152,668.96/x - Step 3: Cross multiply
8,312,279.44x = 11,464,633.16 × 7,152,668.96 - Step 4: Simplify right side
8,312,279.44x = 82,002,725,741,318.72 - Step 5: Solve for x
x = 82,002,725,741,318.72/8,312,279.44 - Step 6: Final answer
x = 9,865,251.32
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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.