Finding the Fourth Proportional to 8,667,655.56, 11,957,396.04 and 5,612,853.96
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Solution
The fourth proportional to 8,667,655.56, 11,957,396.04 and 5,612,853.96 is: 7,743,168.52
Step by Step Solution
- Step 1: Write the proportion equation
8,667,655.56 : 11,957,396.04 = 5,612,853.96 : x - Step 2: Convert to fraction form
8,667,655.56/11,957,396.04 = 5,612,853.96/x - Step 3: Cross multiply
8,667,655.56x = 11,957,396.04 × 5,612,853.96 - Step 4: Simplify right side
8,667,655.56x = 67,115,117,714,402.31 - Step 5: Solve for x
x = 67,115,117,714,402.31/8,667,655.56 - Step 6: Final answer
x = 7,743,168.52
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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.