Finding the Fourth Proportional to 13,562,157.22, 20,343,394.38 and 3,977,728.13
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Solution
The fourth proportional to 13,562,157.22, 20,343,394.38 and 3,977,728.13 is: 5,966,638.70
Step by Step Solution
- Step 1: Write the proportion equation
13,562,157.22 : 20,343,394.38 = 3,977,728.13 : x - Step 2: Convert to fraction form
13,562,157.22/20,343,394.38 = 3,977,728.13/x - Step 3: Cross multiply
13,562,157.22x = 20,343,394.38 × 3,977,728.13 - Step 4: Simplify right side
13,562,157.22x = 80,920,492,085,009.91 - Step 5: Solve for x
x = 80,920,492,085,009.91/13,562,157.22 - Step 6: Final answer
x = 5,966,638.70
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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.