Finding the Fourth Proportional to 11,477,401.26, 17,218,372.18 and 3,280,117.02
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Solution
The fourth proportional to 11,477,401.26, 17,218,372.18 and 3,280,117.02 is: 4,920,824.35
Step by Step Solution
- Step 1: Write the proportion equation
11,477,401.26 : 17,218,372.18 = 3,280,117.02 : x - Step 2: Convert to fraction form
11,477,401.26/17,218,372.18 = 3,280,117.02/x - Step 3: Cross multiply
11,477,401.26x = 17,218,372.18 × 3,280,117.02 - Step 4: Simplify right side
11,477,401.26x = 56,478,275,644,312.50 - Step 5: Solve for x
x = 56,478,275,644,312.50/11,477,401.26 - Step 6: Final answer
x = 4,920,824.35
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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.