Finding the Fourth Proportional to 16,542,992.90, 24,814,489.35 and 11,972,600.30
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Solution
The fourth proportional to 16,542,992.90, 24,814,489.35 and 11,972,600.30 is: 17,958,900.45
Step by Step Solution
- Step 1: Write the proportion equation
16,542,992.90 : 24,814,489.35 = 11,972,600.30 : x - Step 2: Convert to fraction form
16,542,992.90/24,814,489.35 = 11,972,600.30/x - Step 3: Cross multiply
16,542,992.90x = 24,814,489.35 × 11,972,600.30 - Step 4: Simplify right side
16,542,992.90x = 297,093,962,636,156.81 - Step 5: Solve for x
x = 297,093,962,636,156.81/16,542,992.90 - Step 6: Final answer
x = 17,958,900.45
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Double scale
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Similar ratio
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1.5x scale
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.