Finding the Fourth Proportional to 7,243,549.44, 9,983,445.12 and 5,305,692.48
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Solution
The fourth proportional to 7,243,549.44, 9,983,445.12 and 5,305,692.48 is: 7,312,587.58
Step by Step Solution
- Step 1: Write the proportion equation
7,243,549.44 : 9,983,445.12 = 5,305,692.48 : x - Step 2: Convert to fraction form
7,243,549.44/9,983,445.12 = 5,305,692.48/x - Step 3: Cross multiply
7,243,549.44x = 9,983,445.12 × 5,305,692.48 - Step 4: Simplify right side
7,243,549.44x = 52,969,089,697,676.70 - Step 5: Solve for x
x = 52,969,089,697,676.70/7,243,549.44 - Step 6: Final answer
x = 7,312,587.58
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.