Finding the Fourth Proportional to 7,853,609.61, 11,768,391.45 and 5,285,322.63
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Solution
The fourth proportional to 7,853,609.61, 11,768,391.45 and 5,285,322.63 is: 7,919,892.73
Step by Step Solution
- Step 1: Write the proportion equation
7,853,609.61 : 11,768,391.45 = 5,285,322.63 : x - Step 2: Convert to fraction form
7,853,609.61/11,768,391.45 = 5,285,322.63/x - Step 3: Cross multiply
7,853,609.61x = 11,768,391.45 × 5,285,322.63 - Step 4: Simplify right side
7,853,609.61x = 62,199,745,649,383.51 - Step 5: Solve for x
x = 62,199,745,649,383.51/7,853,609.61 - Step 6: Final answer
x = 7,919,892.73
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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.