Finding the Fourth Proportional to 19,182,167.28, 28,753,858.98 and 8,259,480.09
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Solution
The fourth proportional to 19,182,167.28, 28,753,858.98 and 8,259,480.09 is: 12,380,870.33
Step by Step Solution
- Step 1: Write the proportion equation
19,182,167.28 : 28,753,858.98 = 8,259,480.09 : x - Step 2: Convert to fraction form
19,182,167.28/28,753,858.98 = 8,259,480.09/x - Step 3: Cross multiply
19,182,167.28x = 28,753,858.98 × 8,259,480.09 - Step 4: Simplify right side
19,182,167.28x = 237,491,925,755,977.72 - Step 5: Solve for x
x = 237,491,925,755,977.72/19,182,167.28 - Step 6: Final answer
x = 12,380,870.33
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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.