Finding the Fourth Proportional to 16,213,212.60, 22,374,067.50 and 8,969,920.44
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Solution
The fourth proportional to 16,213,212.60, 22,374,067.50 and 8,969,920.44 is: 12,378,398.43
Step by Step Solution
- Step 1: Write the proportion equation
16,213,212.60 : 22,374,067.50 = 8,969,920.44 : x - Step 2: Convert to fraction form
16,213,212.60/22,374,067.50 = 8,969,920.44/x - Step 3: Cross multiply
16,213,212.60x = 22,374,067.50 × 8,969,920.44 - Step 4: Simplify right side
16,213,212.60x = 200,693,605,394,189.69 - Step 5: Solve for x
x = 200,693,605,394,189.69/16,213,212.60 - Step 6: Final answer
x = 12,378,398.43
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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.