Finding the Fourth Proportional to 8,656,108.87, 12,987,739.96 and 3,795,900.49
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Solution
The fourth proportional to 8,656,108.87, 12,987,739.96 and 3,795,900.49 is: 5,695,419.19
Step by Step Solution
- Step 1: Write the proportion equation
8,656,108.87 : 12,987,739.96 = 3,795,900.49 : x - Step 2: Convert to fraction form
8,656,108.87/12,987,739.96 = 3,795,900.49/x - Step 3: Cross multiply
8,656,108.87x = 12,987,739.96 × 3,795,900.49 - Step 4: Simplify right side
8,656,108.87x = 49,300,168,516,092.49 - Step 5: Solve for x
x = 49,300,168,516,092.49/8,656,108.87 - Step 6: Final answer
x = 5,695,419.19
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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.