Finding the Fourth Proportional to 7,572,402.96, 11,361,922.20 and 3,977,337.84
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Solution
The fourth proportional to 7,572,402.96, 11,361,922.20 and 3,977,337.84 is: 5,967,749.38
Step by Step Solution
- Step 1: Write the proportion equation
7,572,402.96 : 11,361,922.20 = 3,977,337.84 : x - Step 2: Convert to fraction form
7,572,402.96/11,361,922.20 = 3,977,337.84/x - Step 3: Cross multiply
7,572,402.96x = 11,361,922.20 × 3,977,337.84 - Step 4: Simplify right side
7,572,402.96x = 45,190,203,101,196.05 - Step 5: Solve for x
x = 45,190,203,101,196.05/7,572,402.96 - Step 6: Final answer
x = 5,967,749.38
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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.