Finding the Fourth Proportional to 10,686,276.20, 16,029,414.30 and 4,293,237.80
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Solution
The fourth proportional to 10,686,276.20, 16,029,414.30 and 4,293,237.80 is: 6,439,856.70
Step by Step Solution
- Step 1: Write the proportion equation
10,686,276.20 : 16,029,414.30 = 4,293,237.80 : x - Step 2: Convert to fraction form
10,686,276.20/16,029,414.30 = 4,293,237.80/x - Step 3: Cross multiply
10,686,276.20x = 16,029,414.30 × 4,293,237.80 - Step 4: Simplify right side
10,686,276.20x = 68,818,087,384,620.54 - Step 5: Solve for x
x = 68,818,087,384,620.54/10,686,276.20 - Step 6: Final answer
x = 6,439,856.70
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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.