Finding the Fourth Proportional to 8,378,320.70, 12,566,539.99 and 2,313,914.55
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Solution
The fourth proportional to 8,378,320.70, 12,566,539.99 and 2,313,914.55 is: 3,470,611.92
Step by Step Solution
- Step 1: Write the proportion equation
8,378,320.70 : 12,566,539.99 = 2,313,914.55 : x - Step 2: Convert to fraction form
8,378,320.70/12,566,539.99 = 2,313,914.55/x - Step 3: Cross multiply
8,378,320.70x = 12,566,539.99 × 2,313,914.55 - Step 4: Simplify right side
8,378,320.70x = 29,077,899,714,448.28 - Step 5: Solve for x
x = 29,077,899,714,448.28/8,378,320.70 - Step 6: Final answer
x = 3,470,611.92
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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.