Finding the Fourth Proportional to 7,991,557.32, 11,985,340.68 and 3,134,850.96
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Solution
The fourth proportional to 7,991,557.32, 11,985,340.68 and 3,134,850.96 is: 4,701,493.74
Step by Step Solution
- Step 1: Write the proportion equation
7,991,557.32 : 11,985,340.68 = 3,134,850.96 : x - Step 2: Convert to fraction form
7,991,557.32/11,985,340.68 = 3,134,850.96/x - Step 3: Cross multiply
7,991,557.32x = 11,985,340.68 × 3,134,850.96 - Step 4: Simplify right side
7,991,557.32x = 37,572,256,736,625.05 - Step 5: Solve for x
x = 37,572,256,736,625.05/7,991,557.32 - Step 6: Final answer
x = 4,701,493.74
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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.