Finding the Fourth Proportional to 18,434,146.26, 27,648,758.10 and 5,480,053.80
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Solution
The fourth proportional to 18,434,146.26, 27,648,758.10 and 5,480,053.80 is: 8,219,349.01
Step by Step Solution
- Step 1: Write the proportion equation
18,434,146.26 : 27,648,758.10 = 5,480,053.80 : x - Step 2: Convert to fraction form
18,434,146.26/27,648,758.10 = 5,480,053.80/x - Step 3: Cross multiply
18,434,146.26x = 27,648,758.10 × 5,480,053.80 - Step 4: Simplify right side
18,434,146.26x = 151,516,681,891,185.78 - Step 5: Solve for x
x = 151,516,681,891,185.78/18,434,146.26 - Step 6: Final answer
x = 8,219,349.01
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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.