Finding the Fourth Proportional to 17,620,722.90, 26,440,717.95 and 6,838,452.18
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Solution
The fourth proportional to 17,620,722.90, 26,440,717.95 and 6,838,452.18 is: 10,261,416.99
Step by Step Solution
- Step 1: Write the proportion equation
17,620,722.90 : 26,440,717.95 = 6,838,452.18 : x - Step 2: Convert to fraction form
17,620,722.90/26,440,717.95 = 6,838,452.18/x - Step 3: Cross multiply
17,620,722.90x = 26,440,717.95 × 6,838,452.18 - Step 4: Simplify right side
17,620,722.90x = 180,813,585,305,942.62 - Step 5: Solve for x
x = 180,813,585,305,942.62/17,620,722.90 - Step 6: Final answer
x = 10,261,416.99
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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.