Finding the Fourth Proportional to 7,408,826.64, 11,113,239.94 and 4,883,891.40
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Solution
The fourth proportional to 7,408,826.64, 11,113,239.94 and 4,883,891.40 is: 7,325,837.09
Step by Step Solution
- Step 1: Write the proportion equation
7,408,826.64 : 11,113,239.94 = 4,883,891.40 : x - Step 2: Convert to fraction form
7,408,826.64/11,113,239.94 = 4,883,891.40/x - Step 3: Cross multiply
7,408,826.64x = 11,113,239.94 × 4,883,891.40 - Step 4: Simplify right side
7,408,826.64x = 54,275,856,956,892.79 - Step 5: Solve for x
x = 54,275,856,956,892.79/7,408,826.64 - Step 6: Final answer
x = 7,325,837.09
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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.