Finding the Fourth Proportional to 27,124,310.43, 40,686,782.76 and 7,955,452.26
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Solution
The fourth proportional to 27,124,310.43, 40,686,782.76 and 7,955,452.26 is: 11,933,271.40
Step by Step Solution
- Step 1: Write the proportion equation
27,124,310.43 : 40,686,782.76 = 7,955,452.26 : x - Step 2: Convert to fraction form
27,124,310.43/40,686,782.76 = 7,955,452.26/x - Step 3: Cross multiply
27,124,310.43x = 40,686,782.76 × 7,955,452.26 - Step 4: Simplify right side
27,124,310.43x = 323,681,757,860,171 - Step 5: Solve for x
x = 323,681,757,860,171/27,124,310.43 - Step 6: Final answer
x = 11,933,271.40
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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.