Finding the Fourth Proportional to 19,618,906.76, 29,409,267.32 and 9,381,122.36
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Solution
The fourth proportional to 19,618,906.76, 29,409,267.32 and 9,381,122.36 is: 14,062,553.98
Step by Step Solution
- Step 1: Write the proportion equation
19,618,906.76 : 29,409,267.32 = 9,381,122.36 : x - Step 2: Convert to fraction form
19,618,906.76/29,409,267.32 = 9,381,122.36/x - Step 3: Cross multiply
19,618,906.76x = 29,409,267.32 × 9,381,122.36 - Step 4: Simplify right side
19,618,906.76x = 275,891,935,246,869.25 - Step 5: Solve for x
x = 275,891,935,246,869.25/19,618,906.76 - Step 6: Final answer
x = 14,062,553.98
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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.