Finding the Fourth Proportional to 8,518,390.68, 11,756,410.02 and 4,848,199.68
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Solution
The fourth proportional to 8,518,390.68, 11,756,410.02 and 4,848,199.68 is: 6,691,102.28
Step by Step Solution
- Step 1: Write the proportion equation
8,518,390.68 : 11,756,410.02 = 4,848,199.68 : x - Step 2: Convert to fraction form
8,518,390.68/11,756,410.02 = 4,848,199.68/x - Step 3: Cross multiply
8,518,390.68x = 11,756,410.02 × 4,848,199.68 - Step 4: Simplify right side
8,518,390.68x = 56,997,423,296,912.79 - Step 5: Solve for x
x = 56,997,423,296,912.79/8,518,390.68 - Step 6: Final answer
x = 6,691,102.28
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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.