Finding the Fourth Proportional to 27,959,137.24, 41,919,207.36 and 12,388,497.52
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Solution
The fourth proportional to 27,959,137.24, 41,919,207.36 and 12,388,497.52 is: 18,574,106.63
Step by Step Solution
- Step 1: Write the proportion equation
27,959,137.24 : 41,919,207.36 = 12,388,497.52 : x - Step 2: Convert to fraction form
27,959,137.24/41,919,207.36 = 12,388,497.52/x - Step 3: Cross multiply
27,959,137.24x = 41,919,207.36 × 12,388,497.52 - Step 4: Simplify right side
27,959,137.24x = 519,315,996,419,725.75 - Step 5: Solve for x
x = 519,315,996,419,725.75/27,959,137.24 - Step 6: Final answer
x = 18,574,106.63
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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.