Finding the Fourth Proportional to 7,129,114.30, 10,693,671.45 and 2,335,647.70
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Solution
The fourth proportional to 7,129,114.30, 10,693,671.45 and 2,335,647.70 is: 3,503,471.55
Step by Step Solution
- Step 1: Write the proportion equation
7,129,114.30 : 10,693,671.45 = 2,335,647.70 : x - Step 2: Convert to fraction form
7,129,114.30/10,693,671.45 = 2,335,647.70/x - Step 3: Cross multiply
7,129,114.30x = 10,693,671.45 × 2,335,647.70 - Step 4: Simplify right side
7,129,114.30x = 24,976,649,126,748.16 - Step 5: Solve for x
x = 24,976,649,126,748.16/7,129,114.30 - Step 6: Final answer
x = 3,503,471.55
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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.