Finding the Fourth Proportional to 19,967,449.14, 29,954,906.51 and 8,001,118.26
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Solution
The fourth proportional to 19,967,449.14, 29,954,906.51 and 8,001,118.26 is: 12,003,173.15
Step by Step Solution
- Step 1: Write the proportion equation
19,967,449.14 : 29,954,906.51 = 8,001,118.26 : x - Step 2: Convert to fraction form
19,967,449.14/29,954,906.51 = 8,001,118.26/x - Step 3: Cross multiply
19,967,449.14x = 29,954,906.51 × 8,001,118.26 - Step 4: Simplify right side
19,967,449.14x = 239,672,749,453,753.88 - Step 5: Solve for x
x = 239,672,749,453,753.88/19,967,449.14 - Step 6: Final answer
x = 12,003,173.15
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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.