Finding the Fourth Proportional to 21,877,886.31, 32,837,425.47 and 11,102,919.99
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Solution
The fourth proportional to 21,877,886.31, 32,837,425.47 and 11,102,919.99 is: 16,664,832.36
Step by Step Solution
- Step 1: Write the proportion equation
21,877,886.31 : 32,837,425.47 = 11,102,919.99 : x - Step 2: Convert to fraction form
21,877,886.31/32,837,425.47 = 11,102,919.99/x - Step 3: Cross multiply
21,877,886.31x = 32,837,425.47 × 11,102,919.99 - Step 4: Simplify right side
21,877,886.31x = 364,591,307,670,998.12 - Step 5: Solve for x
x = 364,591,307,670,998.12/21,877,886.31 - Step 6: Final answer
x = 16,664,832.36
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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.