Finding the Fourth Proportional to 8,412,784.68, 12,621,300.66 and 2,347,511.28
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Solution
The fourth proportional to 8,412,784.68, 12,621,300.66 and 2,347,511.28 is: 3,521,859.50
Step by Step Solution
- Step 1: Write the proportion equation
8,412,784.68 : 12,621,300.66 = 2,347,511.28 : x - Step 2: Convert to fraction form
8,412,784.68/12,621,300.66 = 2,347,511.28/x - Step 3: Cross multiply
8,412,784.68x = 12,621,300.66 × 2,347,511.28 - Step 4: Simplify right side
8,412,784.68x = 29,628,645,667,621.44 - Step 5: Solve for x
x = 29,628,645,667,621.44/8,412,784.68 - Step 6: Final answer
x = 3,521,859.50
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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.