Finding the Fourth Proportional to 11,125,688.20, 16,688,532.30 and 4,033,054.60
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Solution
The fourth proportional to 11,125,688.20, 16,688,532.30 and 4,033,054.60 is: 6,049,581.90
Step by Step Solution
- Step 1: Write the proportion equation
11,125,688.20 : 16,688,532.30 = 4,033,054.60 : x - Step 2: Convert to fraction form
11,125,688.20/16,688,532.30 = 4,033,054.60/x - Step 3: Cross multiply
11,125,688.20x = 16,688,532.30 × 4,033,054.60 - Step 4: Simplify right side
11,125,688.20x = 67,305,761,959,763.59 - Step 5: Solve for x
x = 67,305,761,959,763.59/11,125,688.20 - Step 6: Final answer
x = 6,049,581.90
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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.