Finding the Fourth Proportional to 8,247,252.80, 12,372,491.52 and 2,490,455.09
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Solution
The fourth proportional to 8,247,252.80, 12,372,491.52 and 2,490,455.09 is: 3,736,169.51
Step by Step Solution
- Step 1: Write the proportion equation
8,247,252.80 : 12,372,491.52 = 2,490,455.09 : x - Step 2: Convert to fraction form
8,247,252.80/12,372,491.52 = 2,490,455.09/x - Step 3: Cross multiply
8,247,252.80x = 12,372,491.52 × 2,490,455.09 - Step 4: Simplify right side
8,247,252.80x = 30,813,134,481,965.83 - Step 5: Solve for x
x = 30,813,134,481,965.83/8,247,252.80 - Step 6: Final answer
x = 3,736,169.51
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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.