Finding the Fourth Proportional to 8,292,685, 12,410,937.90 and 5,099,836.36
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Solution
The fourth proportional to 8,292,685, 12,410,937.90 and 5,099,836.36 is: 7,632,479.99
Step by Step Solution
- Step 1: Write the proportion equation
8,292,685 : 12,410,937.90 = 5,099,836.36 : x - Step 2: Convert to fraction form
8,292,685/12,410,937.90 = 5,099,836.36/x - Step 3: Cross multiply
8,292,685x = 12,410,937.90 × 5,099,836.36 - Step 4: Simplify right side
8,292,685x = 63,293,752,364,122.05 - Step 5: Solve for x
x = 63,293,752,364,122.05/8,292,685 - Step 6: Final answer
x = 7,632,479.99
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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.