Finding the Fourth Proportional to 13,847,475.96, 20,771,213.98 and 5,331,822.84
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Solution
The fourth proportional to 13,847,475.96, 20,771,213.98 and 5,331,822.84 is: 7,997,734.28
Step by Step Solution
- Step 1: Write the proportion equation
13,847,475.96 : 20,771,213.98 = 5,331,822.84 : x - Step 2: Convert to fraction form
13,847,475.96/20,771,213.98 = 5,331,822.84/x - Step 3: Cross multiply
13,847,475.96x = 20,771,213.98 × 5,331,822.84 - Step 4: Simplify right side
13,847,475.96x = 110,748,433,113,091.30 - Step 5: Solve for x
x = 110,748,433,113,091.30/13,847,475.96 - Step 6: Final answer
x = 7,997,734.28
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1.5x scale
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.