Finding the Fourth Proportional to 14,492,992.44, 19,998,394.68 and 8,984,360.44
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Solution
The fourth proportional to 14,492,992.44, 19,998,394.68 and 8,984,360.44 is: 12,397,217.95
Step by Step Solution
- Step 1: Write the proportion equation
14,492,992.44 : 19,998,394.68 = 8,984,360.44 : x - Step 2: Convert to fraction form
14,492,992.44/19,998,394.68 = 8,984,360.44/x - Step 3: Cross multiply
14,492,992.44x = 19,998,394.68 × 8,984,360.44 - Step 4: Simplify right side
14,492,992.44x = 179,672,786,026,498.44 - Step 5: Solve for x
x = 179,672,786,026,498.44/14,492,992.44 - Step 6: Final answer
x = 12,397,217.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.