Finding the Fourth Proportional to 8,610,942.87, 11,883,130.52 and 4,743,454.80
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Solution
The fourth proportional to 8,610,942.87, 11,883,130.52 and 4,743,454.80 is: 6,545,983.80
Step by Step Solution
- Step 1: Write the proportion equation
8,610,942.87 : 11,883,130.52 = 4,743,454.80 : x - Step 2: Convert to fraction form
8,610,942.87/11,883,130.52 = 4,743,454.80/x - Step 3: Cross multiply
8,610,942.87x = 11,883,130.52 × 4,743,454.80 - Step 4: Simplify right side
8,610,942.87x = 56,367,092,524,964.96 - Step 5: Solve for x
x = 56,367,092,524,964.96/8,610,942.87 - Step 6: Final answer
x = 6,545,983.80
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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.