Finding the Fourth Proportional to 33,255,519.60, 49,899,868.20 and 18,889,618.80
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Solution
The fourth proportional to 33,255,519.60, 49,899,868.20 and 18,889,618.80 is: 28,343,850.88
Step by Step Solution
- Step 1: Write the proportion equation
33,255,519.60 : 49,899,868.20 = 18,889,618.80 : x - Step 2: Convert to fraction form
33,255,519.60/49,899,868.20 = 18,889,618.80/x - Step 3: Cross multiply
33,255,519.60x = 49,899,868.20 × 18,889,618.80 - Step 4: Simplify right side
33,255,519.60x = 942,589,488,468,242.25 - Step 5: Solve for x
x = 942,589,488,468,242.25/33,255,519.60 - Step 6: Final answer
x = 28,343,850.88
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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.