Finding the Fourth Proportional to 5,915,635.56, 8,163,577.02 and 3,199,381.56
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Solution
The fourth proportional to 5,915,635.56, 8,163,577.02 and 3,199,381.56 is: 4,415,146.52
Step by Step Solution
- Step 1: Write the proportion equation
5,915,635.56 : 8,163,577.02 = 3,199,381.56 : x - Step 2: Convert to fraction form
5,915,635.56/8,163,577.02 = 3,199,381.56/x - Step 3: Cross multiply
5,915,635.56x = 8,163,577.02 × 3,199,381.56 - Step 4: Simplify right side
5,915,635.56x = 26,118,397,781,427.75 - Step 5: Solve for x
x = 26,118,397,781,427.75/5,915,635.56 - Step 6: Final answer
x = 4,415,146.52
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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.