Finding the Fourth Proportional to 11,833,691.62, 16,330,749.36 and 6,535,370.05
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Solution
The fourth proportional to 11,833,691.62, 16,330,749.36 and 6,535,370.05 is: 9,018,951.46
Step by Step Solution
- Step 1: Write the proportion equation
11,833,691.62 : 16,330,749.36 = 6,535,370.05 : x - Step 2: Convert to fraction form
11,833,691.62/16,330,749.36 = 6,535,370.05/x - Step 3: Cross multiply
11,833,691.62x = 16,330,749.36 × 6,535,370.05 - Step 4: Simplify right side
11,833,691.62x = 106,727,490,261,400.66 - Step 5: Solve for x
x = 106,727,490,261,400.66/11,833,691.62 - Step 6: Final answer
x = 9,018,951.46
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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.